Author: "K., Pitt" / Search Limiters: Available in Library Collection - Searchworks@Jio Institute Digital Library Search Results

205 results on '"K., Pitt"'

1. Sex- and age-dependent contribution of System xc– to cognitive, sensory, and social behaviors revealed by comprehensive behavioral analyses of System xc– null mice

Author: Carla Frare, Shannon K. Pitt, and Sandra J. Hewett
Subjects: spatial memory, recognition memory, anxiety, motor function, sensorimotor gating, C3H/HeSnJ, Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Abstract: BackgroundSystem xc– (Sxc–) is an important heteromeric amino acid cystine/glutamate exchanger that plays a pivotal role in the CNS by importing cystine into cells while exporting glutamate. Although certain behaviors have been identified as altered in Sxc– null mutant mice, our understanding of the comprehensive impact of Sxc– on behavior remains incomplete.MethodsTo address this gap, we compared motor, sensory and social behaviors of male and female mice in mice null for Sxc– (SLC7A11sut/sut) with wildtype littermates (SLC7A11+/+) in a comprehensive and systematic manner to determine effects of genotype, sex, age, and their potential interactions.ResultsMotor performance was not affected by loss of Sxc– in both males and females, although it was impacted negatively by age. Motor learning was specifically disrupted in female mice lacking Sxc– at both 2 and 6 months of age. Further, female SLC7A11sut/sut mice at both ages exhibited impaired sociability, but normal spatial and recognition memory, as well as sensorimotor gating. Finally, pronounced open-space anxiety was displayed by female SLC7A11sut/sut when they were young. In contrast, young SLC7A11sut/sut male mice demonstrated normal sociability, delayed spatial learning, increased open-space anxiety and heightened sensitivity to noise. As they aged, anxiety and noise sensitivity abated but hyperactivity emerged.DiscussionWe find that the behavioral phenotypes of female SLC7A11sut/sut are similar to those observed in mouse models of autism spectrum disorder, while behaviors of male SLC7A11sut/sut resemble those seen in mouse models of attention deficit hyperactivity disorder. These results underscore the need for further investigation of SLC7A11 in neurodevelopment. By expanding our understanding of the potential involvement of Sxc–, we may gain additional insights into the mechanisms underlying complex neurodevelopmental conditions.
Published: 2023
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2. Use of sirolimus-coated balloon in de novo small vessel coronary lesions; Long-term follow-up from a single centre registry

Author: Bethan Freestone, Kaeng W. Lee, A M Fawzy, Harkaran Kalkat, Sampath Athukorala, Jerome Ment, George Pulikal, Gurbir Bhatia, B H Loku Waduge, Abdullah Saif, Michael K. Pitt, Sandeep Basavarajaiah, and Nitin Kumar
Subjects: Single centre, medicine.medical_specialty, business.industry, Long term follow up, Sirolimus, medicine, Small vessel, Cardiology and Cardiovascular Medicine, business, Balloon, medicine.drug, Surgery
Abstract: Background Drug coated balloons (DCBs) in Europe are mainly used in restenotic lesions as endorsed by the European Society of Cardiology, with a class IA recommendation. However, some of the recent data suggest, it can also be considered in a subset of denovo lesions, especially in small vessels. Most DCBs used, are coated with Paclitaxcel. There is no data on the efficacy of Sirolimus in DCBs, the drug of choice in drug eluting stents. In this study, we report outcomes from the use of a Sirolimus coated balloon (SCB) in de novo small-vessel coronary lesions, from a single high yield centre. Methods A retrospective analysis was conducted on all patients treated with an SCB between March 2018 and October 2020. Follow-up was achieved with clinic visits, telephone calls and admission records. The outcomes measured include cardiac death, target-vessel myocardial-infarction (TVMI), target lesion revascularisation (TLR) and MACE (combination of cardiac death, target-vessel MI and TLR). Results During the study period, 279-patients (with 332-lesions) with de novo lesions were treated with an SCB. The mean age of patients was 65±12 years, 219 (79%) were male, 36% (n=100) had diabetes, 16% (n=45) had chronic kidney disease and 61% were in the setting of acute coronary syndrome (n=169). Predilatation was performed in 96% (320-lesions). Bailout stenting (with DES) was required in 5% of lesions (n=18) of which 16 were due to dissections and 2 were due to recoil >30% following DCB use. The mean diameter and length of DCBs were 2.35 mm and 26 mm respectively. During a median follow-up of 584-days (19-months) cardiac death was reported in 8 patients (3%). Target vessel MI was in 3% (n=9), TLR per lesion was 8% (n=26) and the MACE rate was 11% (n=31). There were no documented cases of acute vessel closure. Conclusion The long-term outcome from the first ever study on sirolimus eluting balloons in de novo small vessel lesions appears promising with low rates of hard endpoints, and acceptable repeat rates of TLR despite a complex group of patients (50% ACS, 36% diabetics and 19% CKD) and lesion subsets (small vessel and diffuse disease). Implanting stents in these subsets renders them vulnerable to restenosis, making treatment challenging and resulting in high rates of recurrence. Funding Acknowledgement Type of funding sources: None.
Published: 2021

3. Does the use of scoring balloon prior to drug coated balloons improve clinical outcomes in de Novo coronary lesions?

Author: Bethan Freestone, Abdullah Saif, Jerome Ment, Kaeng W. Lee, Michael K. Pitt, Harkaran Kalkat, B H Loku Waduge, Sandeep Basavarajaiah, S Athulorala, A M Fawzy, Gurbir Bhatia, George Pulikal, and Nitin Kumar
Subjects: medicine.medical_specialty, Drug coated balloon, business.industry, medicine, Scoring balloon, Cardiology and Cardiovascular Medicine, business, Surgery
Abstract: Aims The use of scoring balloon prior to drug coated balloon has been proven to be effective in restenotic lesions. However, their effect in de novo lesions has not been tested. Logic tells that the use of scoring balloons should enhance the drug uptake into the vessel wall. In this study, we evaluated this concept of scoring balloon prior to DCB in de novo lesions and compared to those who were treated with a conventional approach (semi-compliant and/or non-compliant balloons). Methods and results We evaluated all de novo lesions treated with DCB between March 2018 and October 2020 at our centre. The results are reported as cardiac death, target vessel myocardial infarction (TVMI), target lesion revascularisation (TLR) and MACE (combination of cardiac death, target vessel MI and TLR). During the study period 348 patients with de novo lesions were treated with DCB. Of those, 49 were predilated with scoring balloon prior to use of DCB and the remaining 299 were predilated with non-scoring balloons (semi-compliant and/or non-compliant). The majority of the baseline characteristics had no statistically significant differences (table 1), with the exception of the mean diameter of the lesions were larger in the scoring balloon group than non-scoring balloon group: 2.7±0.5 vs. 2.49±0.4; p=0.003 and mean length of lesions were longer in the non-scoring balloon group: 26±8.8 vs. 23±7.7; p=0.02. During the median follow-up of 660 days, clinical outcomes between the scoring and non-scoring balloons were; cardiac death: 0 vs. 8 (3%); p=0.5, TVMI: 2 (4%) vs. 8 (3%); p=0.9, TLR: 3 (6%) vs. 25 (8.4%); p=0.8, MACE: 4 (8%) vs. 34 (11%) p=0.7 Conclusion There were no differences in the clinical outcomes between the two groups indicating that use of scoring balloon prior to DCB may not offer additional benefit, although this needs to be confirmed in a larger patient group. Funding Acknowledgement Type of funding sources: None.
Published: 2021

4. Use of sirolimus-coated balloon in de novo lesions; Mid-term follow-up from a single-centre registry

Author: Abdullah Saif, Bethan Freestone, Kaeng W. Lee, B H Loku Waduge, Nitin Kumar, George Pulikal, A M Fawzy, Harkaran Kalkat, S Athulorala, Jerome Ment, Michael K. Pitt, Sandeep Basavarajaiah, and Gurbir Bhatia
Subjects: Mid term follow up, Single centre, medicine.medical_specialty, business.industry, Sirolimus, medicine, Cardiology and Cardiovascular Medicine, Balloon, business, medicine.drug, Surgery
Abstract: Introduction Use of drug coated balloons (DCBs) in coronary intervention is escalating and the guidelines recommend its use in restenotic lesions. However, recent data suggest it can also be considered in a subset of denovo lesions especially; small vessels, ostium of an important side-branch and in patients unable to tolerate dual antiplatelet therapy for a prolonged period. Most DCBs used elute Paclitaxcel, but there is no data on Sirolimus eluting DCB, which is the drug of choice in currently available drug eluting stents. In this study, we report outcomes from the use of a Sirolimus coated balloon (SCB) in de novo coronary lesions. Methods We retrospectively analysed all patients treated with an SCB between April and December 2018. Results are reported as cardiac death, target vessel myocardial infarction (TVMI), target lesion revascularisation (TLR), target vessel revascularisation (TVR) and MACE (combination of cardiac death, target vessel MI and TLR). Results During the study period, 351 patients (with 414 lesions) with de novo lesions were treated with an SCB. The mean age of patients was 65.6±11.5 years, 275 (78%) were male and 39% (n=212) had diabetes. Most lesions treated were in the LAD/diagonal system (n=173, 42%). Predilatation was performed in 98% (405 lesions). Bailout stenting (with a drug eluting stent) was required in 7% lesions (n=30), of which 11 were due to dissections and 19 were due to recoil >50% following DCB use. The mean diameter and length of DCBs were 2.47 mm and 26 mm respectively. During a median follow-up of 322-days (11-months) cardiac death was reported in 8 patients (2.3%). Target vessel MI was in 3%; n=10, TLR and TVR per lesion were 8% (n=34) and 9% (n=37) respectively. The MACE rate was 11%. There were no documented cases of acute vessel closure. Conclusion The mid-term outcome from the first ever study on sirolimus coated balloons in de novo lesions appears promising with low rates of hard endpoints with no documented cases of acute vessel closure. The MACE rates appear promising, although we need longer follow-up which is ongoing and we will be able to report outcomes from even longer follow-up during the presentation. Funding Acknowledgement Type of funding sources: None.
Published: 2021

5. Clinical outcomes following use of sirolimus coated balloon in side-branches during provisional stent technique in true bifurcations

Author: Sandeep Basavarajaiah, Jerome Ment, B H Loku Waduge, Nitin Kumar, Harkaran Kalkat, S Athulorala, Kaeng W. Lee, George Pulikal, Gurbir Bhatia, Abdullah Saif, Michael K. Pitt, Bethan Freestone, and A M Fawzy
Subjects: medicine.medical_specialty, business.industry, Sirolimus, medicine.medical_treatment, medicine, Stent, Cardiology and Cardiovascular Medicine, Balloon, business, medicine.drug, Surgery
Abstract: Introduction Provisional stenting is the preferred strategy even in true bifurcations, however, to minimise the need for repeat revascularization of side-branches, the use of drug coated balloons has been suggested. Most of the data available in the literature are on Paclitaxel coated balloons, a drug which is almost obsolete in stents due to its cytotoxic properties. There is limited data on Limus coated balloons (SCB), a drug which is the default for all the currently available drug eluting stents. In this study, we explore the clinical outcomes following use of SCB in side-branches during provisional stent technique in true bifurcations. Methods and results We evaluated all de novo lesions treated with DCB for true bifurcations between March 2018 and October 2020 at our centre. The results are reported as cardiac death, target vessel myocardial infarction (TVMI), target lesion revascularisation (TLR) and MACE (combination of cardiac death, target vessel MI and TLR). During the study period 110 patients with de novo lesions were treated with SCB for bifurcation lesions. Of them; 66 were in true bifurcations. The mean age of patients were 66.3±10.7 years, 75% (n=50) were male, 40 (61%) were in the setting of acute coronary syndrome, 52% (n=34) had diabetes and 32% (n=21) had CKD. Pre-dilatation was performed in all cases and none of them needed bailout stenting. Small vessels ( During a median follow-up of 729 days (2-years); there were no cardiac deaths, TVMI occurred in one case (2%), TLR in 3% (n=2) and the overall MACE rate was 3% (n=2). There were no documented cases of acute vessel closure Conclusion The results from long term follow-up with this relatively new technology of DCB in treatment of side-branch in true bifurcation is encouraging. We have demonstrated low rates of hard endpoints, TLR and MACE rates despite complex group of patients (61% ACS, 52% diabetics and 32% CKD). These results are encouraging, but going forward, we need more data from larger patient trials. In the meanwhile our data should instil confidence to adopt this technology in clinical practice. Funding Acknowledgement Type of funding sources: None.
Published: 2021

6. 56 Use of sirolimus coated balloon in de novo small vessel coronary lesions; long-term follow-up from a single centre registry

Author: George Pulikal, A M Fawzy, Sampath Athukorala, Bhagya Harindi Loku Waduge, Kaeng W. Lee, Bethan Freestone, Michael K. Pitt, Abdullah Saif, Gurbir Bhatia, Harkaran Kalkat, Jerome Ment, Sandeep Basavarajaiah, and Nitin Kumar
Subjects: Target lesion, medicine.medical_specialty, Acute coronary syndrome, business.industry, Balloon, medicine.disease, Surgery, Lesion, Restenosis, Sirolimus, medicine, medicine.symptom, business, Mace, Kidney disease, medicine.drug
Abstract: Background Drug coated balloons (DCBs) in Europe are mainly used in restenotic lesions as endorsed by the European Society of Cardiology, with a class IA recommendation. However, some of the recent data suggest, it can also be considered in a subset of denovo lesions, especially in small vessels. Most DCBs used are coated with Paclitaxcel. There is no data on the efficacy of Sirolimus in DCBs, the drug of choice in drug eluting stents. In this study, we report outcomes from the use of a Sirolimus coated balloon (SCB) in de novo small-vessel coronary lesions, from a single high yield centre. Methods A retrospective analysis was conducted on all patients treated with an SCB between March 2018 and October 2020. Follow-up was achieved with clinic visits, telephone calls and admission records. The outcomes measured include cardiac death, target-vessel myocardial-infarction, target lesion revascularisation and MACE (combination of cardiac death, target-vessel MI and TLR). Results During the study period, 279-patients (with 332-lesions) with de novo lesions were treated with an SCB. The mean age of patients was 65 ± 12 years, 219 (79%) were male, 36% (n=100) had diabetes, 16% (n=45) had chronic kidney disease and 61% were in the setting of acute coronary syndrome (n=169). Predilatation was performed in 96% (320-lesions). Bailout stenting (with DES) was required in 5% lesions (n=18) and of which 16 were due to dissections and 2 were due to recoil >30% following DCB use. The mean diameter and length of DCBs were 2.35 mm and 26 mm respectively. During a median follow-up of 584-days (19-months) cardiac death was reported in 8 patients (3%). Target vessel MI was in 3% (n=9), TLR per lesion was 8% (n=26) and the MACE rate was 11% (n=31). There were no documented cases of acute vessel closure. Conclusion The long-term outcome from the first ever study on sirolimus eluting balloon in de novo small vessel lesions appears promising with low rates of hard endpoints, and acceptable repeat rates of TLR despite a complex group of patients (50% ACS, 36% diabetics and 19% CKD) and lesion subsets (small vessel and diffuse disease). Implanting stents in these subsets renders them vulnerable to restenosis, making it difficult to treat, making treatment challenging and resulting in high rates of recurrence. Conflict of Interest None to declare
Published: 2021

7. 64 Use of sirolimus-coated balloon in De novo lesions; mid-term follow-up from a single-centre registry

Author: Sandeep Basavarajaiah, A M Fawzy, Sampath Athukorala, Abdullah Saif, Bhagya Harindi Loku Waduge, Kaeng W. Lee, George Pulikal, Harkaran Kalkat, Nitin Kumar, Bethan Freestone, Jerome Ment, Gurbir Bhatia, and Michael K. Pitt
Subjects: medicine.medical_specialty, Mid term follow up, Single centre, business.industry, Sirolimus, medicine, business, Balloon, medicine.drug, Surgery
Published: 2021

8. 55 Long term clinical outcomes from use of sirolimus coated balloon in coronary intervention; data from a real-world population

Author: Sandeep Basavarajaiah, Sampath Athukorala, Gurbir Bhatia, A M Fawzy, Abdullah Saif, Bethan Freestone, Nitin Kumar, Jerome Ment, Bhagya Harindi Loku Waduge, Kaeng W. Lee, Michael K. Pitt, Harkaran Kalkat, and George Pulikal
Subjects: Target lesion, Acute coronary syndrome, medicine.medical_specialty, business.industry, medicine.medical_treatment, medicine.disease, Balloon, Surgery, Lesion, chemistry.chemical_compound, Paclitaxel, chemistry, Drug-eluting stent, Sirolimus, medicine, medicine.symptom, business, Mace, medicine.drug
Abstract: Background The use of drug coated balloons (DCBs) in coronary intervention is escalating. There are two drugs of choice for coating either DCBs or drug eluting stents: Paclitaxel or Sirolimus. Most available DCBs are coated with Paclitaxcel, due to pre-existing, extensive data that support good clinical outcomes. With drug eluting stents both the literature and hence clinical practice favour Sirolimus over Paclitaxcel. This is due the cytostatic properties and wide therapeutic window of Sirolimus. However, there is very limited data on Sirolimus coated balloons (SCBs). We report a long-term follow-up with this relatively new technology from our centre. Methods A retrospective analysis was conducted on all patients treated with an SCB between March 2018 and October 2020. Follow-up was achieved with clinic visits, telephone calls and admission records. The outcomes measured include cardiac death, target-vessel myocardial-infarction, target lesion revascularisation and MACE (combination of cardiac death, target-vessel MI and TLR). Results 533 patients (690-lesions) with a mean age of 65.4 (range; 37-90) were treated with an SCB. 79% (n=419) were male, 314 (59%) were in the setting of acute coronary syndrome, 40% (n=211) had diabetes and 60% (n=414) had DCB in de-novo lesions. Small vessels accounted for 59% of cases (n=406). Pre-dilatation was performed in 97% (n=670) of cases. Bailout stenting (with a drug eluting stent) was required in 6.5% lesions (n=45), of which 11 were due to dissections and 34 were due to >50% recoil following DCB use. The mean diameter and length of DCBs were 2.8 mm and 26.3 mm respectively. During a median follow-up of 572 days (IQR: 381 - 868); cardiac death occurred in 15 patients (3%). Target vessel MI was in 4%; n=21, TLR per lesion and per patient were 10% (n=72 and n=55 respectively). The overall MACE rate was 12%. There were no documented cases of acute vessel closure. Conclusions The results from long term follow-up with this relatively new technology DCB are encouraging with low rates of hard endpoints and acceptable rates of TLR and MACE despite complex group of patients (59% ACS and 40% diabetics) and lesion subsets (40% restenotic lesions and 59% small vessels). This suggests that SCBs can be used in both restenotic and de novo small vessel lesions with acceptable clinical outcomes. However, in order to further inform clinical practice, more longer-term data on SCBs compared with Paclitaxel coated balloons is needed. Conflict of Interest None to declare
Published: 2021

9. Long-term Outcome following Percutaneous Intervention of Intra-stent Coronary Occlusion and Evaluating the Different Treatment Modalities

Author: Hannah Rides, Jerome Ment, Satoru Mitomo, Sunao Nakamura, Sandeep Basavarajaiah, Richard Watkin, Michael K. Pitt, Yusuke Watanabe, George Pulikal, Vinoda Sharma, Toru Ouchi, Ishaq Mohammed, Bethan Freestone, Gurbir Bhatia, Sampath Athukorala, Nitin Kumar, and Kaeng W. Lee
Subjects: In-stent restenosis, medicine.medical_specialty, LVSD, Left ventricular dysfunction, Percutaneous, Drug coated balloon, MACE, Major adverse cardiac events, medicine.medical_treatment, TLR, Target lesion revascularisation, 030204 cardiovascular system & hematology, 03 medical and health sciences, 0302 clinical medicine, ISR, In-stent restenosis, Angioplasty, Internal medicine, medicine, Diseases of the circulatory (Cardiovascular) system, 030212 general & internal medicine, Intra stent, cardiovascular diseases, Drug eluting stent, Original Paper, business.industry, CTO, Chronic total occlusion, TVMI, Target vessel myocardial infarction, DES, Drug eluting stent, Chronic total occlusion, CKD, Chronic kidney disease, DCB, Drug coated balloon, surgical procedures, operative, Coronary occlusion, Treatment modality, Drug-eluting stent, RC666-701, Conventional PCI, Cardiology, POBA, Plain old balloon angioplasty, Cardiology and Cardiovascular Medicine, business, Mace, TVR, Target vessel revascularisation
Abstract: Highlights • Limited data on intra-stent CTO. • We explored the long-term outcomes in patients undergoing PCI to intra-stent CTO. • Acceptable rates of hard endpoints (cardiac death; 5.8%, TVMI; 4%). • High rates of TLR (45.6%). • PCI should only be undertaken if symptomatic or if there is inducible ischaemia. • If PCI is undertaken, DCB and DES should be considered over POBA., Background Angioplasty for ISR remains a challenge with relatively high rates of recurrence. Although there is a plethora of data on ISR, there is relatively less data on intra-stent-CTO. In this study, we explore the long-term clinical outcomes following angioplasty to intra-stent CTO and study the differences in clinical outcomes between three treatment-arms: POBA vs. DES vs. DCB. Methods and results We evaluated all patients who underwent PCI to intra-stent CTO between 2011 and 2017. The endpoints used were: cardiac-death, TVMI, TLR, TVR, and MACE. During the study period, 403-patients with a mean age of 69.2 years had successful PCI to intra-stent CTO. 50% were diabetic, 38% had CKD and 32% had left ventricular dysfunction. 93% of cases were stable angina. 22% (n = 88) received only POBA, 28% (n = 113) received DCB and 50% (n = 202) received DES. During the median follow-up of 48-months, cardiac-death occurred in 5.8% (n = 23), TVMI in 4% (n = 16), TLR in 45.6% (n = 182), TVR in 48.7% (n = 194) and MACE of 46%. There were no differences in the hard endpoints between the 3treatment arms. However, the TLR and overall MACE were better in DCB and DES-groups as compared to POBA (TLR: 33%vs.42%vs.49%; p = 0.06); MACE (34% vs. 45% vs. 52%; p = 0.05). Conclusion This is the first study that has focussed on the outcomes following angioplasty to intra-stent CTOs with a very long-term follow-up. The hard endpoints were low, although the TLR rates were high. In regards to treatment strategy, the DCB and DES provide relatively better outcomes than POBA.
Published: 2021

10. Large sample asymptotics of the pseudo-marginal method

Author: Michael K. Pitt, Sebastian M. Schmon, Arnaud Doucet, and George Deligiannidis
Subjects: Statistics and Probability, FOS: Computer and information sciences, Weak convergence, Applied Mathematics, General Mathematics, 05 social sciences, Monte Carlo method, Estimator, Random walk, Statistics - Computation, 01 natural sciences, Agricultural and Biological Sciences (miscellaneous), 010104 statistics & probability, Random measure, Metropolis–Hastings algorithm, 0502 economics and business, Applied mathematics, Probability distribution, Ergodic theory, 0101 mathematics, Statistics, Probability and Uncertainty, General Agricultural and Biological Sciences, Computation (stat.CO), 050205 econometrics, Mathematics
Abstract: The pseudo-marginal algorithm is a variant of the Metropolis--Hastings algorithm which samples asymptotically from a probability distribution when it is only possible to estimate unbiasedly an unnormalized version of its density. Practically, one has to trade-off the computational resources used to obtain this estimator against the asymptotic variances of the ergodic averages obtained by the pseudo-marginal algorithm. Recent works optimizing this trade-off rely on some strong assumptions which can cast doubts over their practical relevance. In particular, they all assume that the distribution of the difference between the log-density and its estimate is independent of the parameter value at which it is evaluated. Under regularity conditions we show here that, as the number of data points tends to infinity, a space-rescaled version of the pseudo-marginal chain converges weakly towards another pseudo-marginal chain for which this assumption indeed holds. A study of this limiting chain allows us to provide parameter dimension-dependent guidelines on how to optimally scale a normal random walk proposal and the number of Monte Carlo samples for the pseudo-marginal method in the large-sample regime. This complements and validates currently available results., Comment: 76 pages, 3 figures
Published: 2020

11. 125Incidence and outcomes of bailout stenting following use of drug coated balloon

Author: K Lee, G Pulikal, Sandeep Basavarajaiah, S Handi, L Foley, Michael K. Pitt, B Freestone, G Ment, G Bhatia, and R Watkin
Subjects: medicine.medical_specialty, Drug coated balloon, business.industry, Surrogate endpoint, medicine.medical_treatment, Revascularization, Balloon dilatation, Surgery, chemistry.chemical_compound, Paclitaxel, chemistry, medicine, Stent thrombosis, Cardiology and Cardiovascular Medicine, business, Drug toxicity, Tissue Dissection
Abstract: Background The incidence of bailout stenting post-drug coated balloon use (DCB) in the literature has been more than 10%; ranging up-to 21% in Bello trial and this variation could be due to the different criteria used to consider bailout stenting and may also reflect aggressive pre-dilatation. Our eyes are trained to expect stent like result and anything less is considered sub-optimal and this could be one of the reasons for high incidence of bailout stenting. The current recommendation is to use drug eluting stent (DES) for bailout stenting and hence raising in the possibility of drug toxicity or maybe even synergistic effect from combination of Paclitaxel (DCB) and limus (DES). Aim We have evaluated the incidence and outcomes of patients needing bailout stenting in our centre. Methods and results We evaluated all patients who were treated with DCB between January 2016-August 2017. Bailout stenting per lesion were identified and studied for endpoints which included cardiac death, target vessel MI, stent thrombosis, target lesion revascularization and target vessel revascularisation. Between the study period; 468 lesions (in 364 patients) were treated with paclitaxel DCB (Sequent Please, B Braun, Germany). Bailout stenting was required in 23 lesions (4.9%) and of which 12 (52%) was for flow limiting dissections (type C or more) and the remaining 11 was for recoil of more than 50%. Majority of the lesions were de novo (18; 78%). All bailout stenting was performed with third generation limus eluting stents. During a median follow-up of 18.14 months; range; 7–33 months, there was no cardiac death and target vessel MI occurred in 1 patient (4.3%), TLR and TVR were in 3 lesions (13%). MACE rate (combination of cardiac death, target vessel MI and TVR) was 13%. There were no cases of stent thrombosis as per the ARC definition. Conclusion One of the highlighting features of our study is very low-rates of bailout stenting. This may be due to our criteria of not stenting mild dissections (unless they are flow limiting) and also to accepting recoil of up-to 50% post-DCB use. The outcome in bailout stenting group is acceptable especially with hard endpoints (cardiac death, target vessel MI and stent thrombosis) although TLR and TVR rates were higher indicating synergistic effect of paclitaxel and limus may not offer additional benefits.
Published: 2019

12. Global variation in anastomosis and end colostomy formation following left-sided colorectal resection

Author: Bhangu, A, Global variation in anastomosis and end colostomy formation following left-sided colorectal resection GlobalSurg Collaborative Appendix S1 Collaborators Authors (all the following are PubMed citable): Writing group: James, C Glasbey (UK), Adewale, O Adisa (Nigeria), Ainhoa Costas-Chavarri (Rwanda), Ahmad, U Qureshi (Pakistan), Jean, C Allen-Ingabire (Rwanda), Hosni Khairy Salem (Egypt), Anyomih Theophilus Teddy Kojo (Ghana), Stephen Tabiri (Ghana), Dmitri Nepogodiev (UK), Richard, J Lilford (UK), Ewen, M Harrison (UK), Thomas, D Pinkney (UK), Neil Smart (UK), Aneel Bhangu (UK, denotes joint first author Patient representatives: Azmina Verjee (UK), study guarantor)., Emmy Runigamugabo (Rwanda) Statistical analysis: James Glasbey, Aneel Bhangu Protocol development and project steering: Adesoji, O Ademuyiwa, Adewale, O Adisa, Maria Lorena Aguilera, Afnan, Altamini, Philip, Alexander, Sara, W Al-Saqqa, Giuliano, Borda-Luque, Jen, Cornick, Ainhoa, Costas-Chavarri, Thomas, M Drake, Stuart, J Fergusson, J Edward Fitzgerald, James, Glasbey, Allen Ingabire, J. C., Lawani, Ismaïl, Zahra, Jaffry, Hosni Khairy Salem, Chetan, Khatri, Andrew, Kirby, Anyomih Theophilus Teddy Kojo, Marie Carmela Lapitan, Richard, Lilford, Andre, L Mihaljevic, Midhun, Mohan, Dion, Morton, Alphonse Zeta Mutabazi, Dmitri, Nepogodiev, Faustin, Ntirenganya, Riinu, Ots, Francesco, Pata, Thomas, Pinkney, Tomas, Poškus, Ahmad Uzair Qureshi, Antonio Ramos-De la Medina, Sarah, Rayne, Gustavo, Recinos, Kjetil, Søreide, Catherine, A Shaw, Sebastian, Shu, Richard, Spence, Neil, Smart, Stephen, Tabiri, Ewen, M Harrison, Aneel Bhangu National leads (GlobalSurg-1) Lead coordinator, Australia, Neel Gobin, Brazil, Ana Vega Freitas, Canada, Nigel Hall, China, &amp, Hong Kong, Sung-Hee Kim, Egypt, Ahmed, Negida, Hosni, Khairy, England, Stephen, J Chapman, France, Alexis P Arnaud, Ghana, Stephen Tabiri, Guatemala, Gustavo Recinos, India, Cutting Edge Manipal, Indonesia, Radhian Amandito, Iraq, Marwan Shawki, Ireland, Michael Hanrahan, Italy, Francesco Pata, Lithuania, Justas Zilinskas, Malaysia, April Camilla Roslani, Cheng Chun Goh, Nigeria, Adesoji O Ademuyiwa, Northern Ireland, Gareth Irwin, Peru, Laura, Luque, Saudi, Arabia, Hunain, Shiwani, Afnan, Altamimi, Mohammed Ubaid Alsaggaf, Scotland, Stuart J Fergusson, South, Africa, Sri Lanka, Jenifa Jeyakumar, Sweden, Yucel Cengiz, Switzerland, Dmitri A Raptis, Wales, James, C Glasbey National leads (GlobalSurg-2) Argentina, Maria Marta Modolo, Australia, Dushyant, Iyer, Sebastian, King, Tom, Arthur, Bangladesh, Sayeda Nazmum Nahar, Barbados, Ade Waterman, Benin, Lawani Ismaïl, Botswana, Michael Walsh, Canada, Arnav, Agarwal, Augusto, Zani, Mohammed, Firdouse, Tyler, Rouse, China, Qinyang Liu, Colombia, Juan Camilo Correa, Egypt, Hosni Khairy Salem, Estonia, Peep Talving, Ethiopia, Mengistu Worku, France, Alexis Arnaud, Greece, Vassilis Kalles, Guatemala, Basant, Kumar, Sunil, Kumar, Ireland, Roy Quek, Italy, Luca, Ansaloni, Jordan, Ahmed Altibi, Lithuania, Donatas, Venskutonis, Justas, Zilinskas, Tomas, Poskus, Madagascar, John Whitaker, Malawi, Vanessa Msosa, Malaysia, Yong Yong Tew, Malta, Alexia, Farrugia, Elaine, Borg, Mexico, Antonio Ramos-De la Medina, Morocco, Zineb Bentounsi, Norway, Kjetil Søreide, Pakistan, Tanzeela Gala, Palestinian, Territory, Ibrahim, Al-Slaibi, Haya, Tahboub, Alser, Osaid H., Diego, Romani, Sebestian, Shu, Poland, Piotr Major, Romania, Aurel, Mironescu, Matei, Bratu, Amar, Kourdouli, Saint Kitts and Nevis, Aliyu Ndajiwo, Abdulaziz, Altwijri, Ahmad, Gudal, Al Faifi Jubran, Sierra Leone, Sam Seisay, Singapore, Bettina Lieske, Spain, Irene Ortega, Sri, Lanka, Jenifa, Jeyakumar, Senanayake, Kithsiri J., Sudan, Omar Abdulbagi, Switzerland, Dmitri Raptis, Turkey, Yuksel Altinel, United, Kingdom, Chia, Kong, Ella, Teasdale, Gareth, Irwin, Michael, Stoddart, Rakan, Kabariti, Sukrit, Suresh, United, States, Katherine, Gash, Ragavan, Narayanan, Zambia, Mayaba Maimbo Local collaborators (GlobalSurg-1) Argentina: Claudio Fermani, Ruben, Balmaceda, Australia: Ewan Macdermid, Maria Marta Modolo (Hospital Luis Lagomaggiore)., Neel, Gobin, Roxanne, Chenn, Cheryl Ou Yong, Michael Edye (Blacktown Hospital), Martin, Jarmin, Scott, K D'amours, Dushyant Iyer (Liverpool Hospital, The University Of New South Wales), Daniel, Youssef, Nicholas, Phillips, Jason Brown (Royal Brisbane &amp, Women'S, Hospital), Robert, George, Cherry, Koh, Oliver Warren (The Royal Prince Alfred Hospital, Australia), Isaac Hanley (The Tweed Hospital), Austria: Clemens Nawara, Marilla Dickfos (Toowoomba Hospital)., Dietmar, Öfner, Florian Primavesi (Department Of Surgery, Bangladesh: Ashrarur Rahman Mitul, Paracelsus Medical University Salzburg)., Khalid Mahmud (Dhaka Shishu (Children) Hospital), Margub, Hussain, Hafiz, Hakim, Tapan Kumar (Dhaka Medical College Hospital), Benin: Pamphile A Assouto, Antje Oosterkamp (Lamb Hospital)., Ismail, Lawani, Brunei: Aung Kyaw Tun, Yacoubou Imorou Souaibou (Centre National Hospitalier Et Universitaire Hubert Koutoukou Maga)., Chean Leung Chong (Pmmpmhamb Hospital) Giridhar, H Devadasar, Chean Leung Chong, Muhammad Rashid Minhas Qadir (Ssb Hospital), Kyaw Phyo Aung, Lee Shi Yeo, Brazil: Vanessa Dina Palomino Castillo, Chean Leung Chong (Ripas Hospital)., Monique Moron Munhoz, Gisele Moreira (Conjunto Hospitalar De Sorocaba), Luiz Carlos Barros De Castro Segundo, Salim Anderson Khouri Ferreira, Maíra Cassa Careta (Hospital Da Santa Casa De Misericórdia De Vitória), Stella Binna Kim, Alexandre Venancio De Sousa, Alyne Daltri Lazzarini Cury (Hospital De Caridade Sãƒo De Paula), Gustavo Peixoto Soares Miguel, Ana Vega Carreiro De Freitas, Barbara Pereira Silvestre (Hospital Estadual Doutor Jayme Dos Santos Neves), Julia Guasti Pinto Vianna, Carolina Oliveira Felipe, Luis Alberto Valente Laufer (Hospital Estadual Doutor Jayme Santos Neves), Fernanda, Altoe, Luana Ayres Da Silva, Marina Luiza Pimenta, Thiago Fernandes Giuriato, Paulo Alves Bezerra Morais, Jessica Souza Luiz (Hospital Estadual Dr Jayme Santos Neves), Rafael, Araujo, Juliana, Menegussi, Marisa, Leal, Caio Vinícius Barroso de Lima, Luiza Sarmento Tatagiba, Antônio Leal (Hospital Infantil Nosa Senhora Da Gloria), Diogo Vinicius dos Santos, Gustavo Pereira Fraga, Romeo Lages Simoes (Hospital De Clinicas, Cameroon: Samuel Nigo, University Of Campinas). Cambodia: Simon Stock (World Mate Emergency Hospital)., Juana, Kabba, Tagang Ebogo Ngwa, Canada: Sebastian King, James Brown (Mbingo Baptist Hospital)., Georges, Azzie, Sameer, Kushwaha, Arnav Agarwal (The Hospital For Sick Children), Karen, Bailey, Brian, Cameron, Michael Livingston (McMaster Children's Hospital), Alexandre, Horobjowsky, Dan, L Deckelbaum, Tarek Razek (Centre for Global Surgery, Chile: Boris Marinkovic, McGill University Health Centre)., Eugenio, Grasset, Nicole D'aguzan (Hospital Del Salvador), Julio, Jimenez, China: Zhongtao Zhang, Roberto Macchiavello (Hospital Luis Tisne)., Wei, Guo, Junyeong, Oh, Colombia: Irene Montes, Fei Zheng (Beijing Friendship Hospital)., Sebastian, Sierra, Manuela Mendez (Clinica Ces), Maria Isabel Villegas, Maria Clara Mendoza Arango, Ivan Mendoza (Clinica Las Vegas), Fred Alexander Naranjo Aristizã¡bal, Jaime Andres Montoya Botero, Victor Manuel Quintero Riaza (Hospital Pablo Tobon Uribe), Jakeline, Restrepo, Carlos, Morales, Maria Clara Mendoza Arango (Hospital Universitario San Vicente Fundacion), Herman, Cruz, Alejandro, Munera, Croatia: Robert Karlo, Maria Clara Mendoza Arango (Ips Universitaria Clinica Leon Xiii)., Edgar, Domini, Jakov Mihanovic (Zadar General Hospital), Mihael, Radic, Kresimir, Zamarin, Dominican Republic: Manuel Hache-Marliere, Nikica Pezelj (General Hospital Sibenik)., Sylvia Batista Lemaire, Ruben Rivas (Cedimat, - Centro De Diagnostico Medicina Avanzada, Egypt: Ahmed Khyrallh, Laboratorio Y Telemedicina)., Ahamed, Hassan, Gamal, Shimy, Mohamed, A Baky Fahmy (Al-Azher Universty Hospital), Ayman, Nabawi, Mohamed, Elfil, Mohamed, Ghoneem, Muhammad El-Saied Ahmad Muhammad Gohar, Mohamed, Asal, Mostafa, Abdelkader, Mahmoud, Gomah, Hayssam, Rashwan, Mohamed, Karkeet, Ahmed Gomaa (Alexandria Main University Hospital), Amr, Hasan, Ahmed, Elgebaly, Omar, Saleh, Ahmad Abdel Fattah, Abdullah, Gouda, Abd Elrahman Elshafay, Abdalla, Gharib, Ahmed, Menshawy, Mohammed, Hanafy, Abdullah, Al-Mallah, Mahmoud, Abdulgawad, Mohamad, Baheeg, Mohammed, Alhendy, Ibrahim, Abdelfattah, Abdalla, Kenibar, Omar, Osman, Mostafa, Gemeah, Ahmed, Mohammed, Abdalrahman, Adel, Abdelrahman, Mohammed, Abdelrahman, Sayed, Mohamed Abozaid (Al-Hussein Hospital), Ahmed Hafez El-Badri Kotb, Ali Amin Ahmed Ata, Mohammed, Nasr, Abdelrahman, Alkammash, Mohammed, Saeed, Nader Abd El Hamid, Attia Mohamed Attia, Ahmed Abd El Galeel, Eslam, Elbanby, Khalid Salah El-Dien, Usama, Hantour, Omar, Alahmady, Billal, Mansour, Amr Muhammad Elkorashy (Bab El-Shareia Hospital), Emad Mohamed Saeed Taha, Kholod Tarek Lasheen, Salma Said Elkolaly, Nehal Yosri Elsayed Abdel-Wahab, Mahmoud Ahmed Fathi Abozyed, Ahmed, Adel, Ahmed Moustafa Saeed, Gehad Samir El Sayed, Jehad Hassan Youssif (Banha University Hospital), Soliman Magdy Ahmed, Nermeen Soubhy El-Shahat, Abd El-Rahman Hegazy Khedr (Belbes Central Hospital), Abdelrhman Osama Elsebaaye, Mohamed, Elzayat, Mohamed, Abdelraheim, Ibrahim, Elzayat, Mahmoud, Warda, Khaled Naser El Deen, Abdelrhman Essam Elnemr, Omar, Salah, Mohamed, Abbas, Mona, Rashad, Ibrahim, Elzayyat, Dalia, Hemeda, Gehad, Tawfik, Mai, Salama, Hazem, Khaled, Mohamed Seisa (El Dawly Hospital, - Mansoura), Kareem, Elshaer, Abdelfatah, Hussein, Mahmoud Elkhadrawi (El Mahalla General Hospital), Ahmed Mohamed Afifi, Osama Saadeldeen Ebrahim, Mahmoud Mohamed Metwally (El, - Mataria Educational Hospital), Rowida, Elmelegy, Diaa Moustafa Elbendary Elsawahly, Hisham, Safa, Eman, Nofal, Mohamed, Elbermawy, Ahmed Abdelmotaleb Ghazy, Hisham, Samih, Asmaa, Abdelgelil, Sarah, Abdelghany, Ahmed El Kholy, Metwally, Aboraya, Fatma, Elkady, Mahmoud, Salma, Sarah, Samy, Reem, Fakher, Aya, Aboarab, Ahmed, Samir, Ahmed, Sakr, Abdelrahman, Haroun, Asmaa Abdel-Rahman Al-Aarag, Ahmed, Elkholy, Sally Elshanwany (El-Menshawy Hospital), Esraa Ghanem (Elshohadaa Central Hospital), Ahmed, Tammam, Ali Mohamed Hammad, Yousra El Shoura, Gehad El Ashal, Hosni Khairy (Kasr Alainy School Of Medicine), Sarah, Antar, Sara, Mehrez, Mahmoud, Abdelshafy, Maha Gamal Mohamad Hamad, Mona, Hosh, Emad, Abdallah, Basma, Magdy, Thuraya, Alzayat, Elsayed, Gamaly, Hossam, Elfeki, Amany, Abouzahra, Shereen, Elsheikh, Fatimah, I Elgendy (Mansoura University Hospitals), Fathia Abd El-Salam, Osama, Seifelnasr, Mohamed, Ammar, Athar, Eysa, Aliaa, Sadek, Aliaa Gamal Toeema, Aly, Nasr, Mohamed, Abuseif, Hagar, Zidan, Sara Abd Elmageed Barakat, Nadin, Elsayed, Yasmin Abd Elrasoul, Ahmed, Elkelany, Mohamed Sabry Ammar, Mennat-Allah, Mustafa, Yasmin, Hegazy, Mohamed, Etman, Samar, Saad, Mahmoud, Alrahawy, Ahmed, Raslan, Mahmoud, Morsi, Ahmed, Rslan, Ahmed, Sabry, Hager, Elwakil, Heba, Shaker, Yasmin, Abd-Elrasoul, Ahmed Elkelany (Menoufia University Hospitals), Hussein, El-Kashef, Mohamed, Shaalan, Areej Tarek (Minia University Hospital), Ayman, Elwan, Ahmed Ragab Nayel, Mostafa, Seif, Doaa, Emadeldin, Mohamed Ali Ghonaim, Ahmad, Almallah, Ahmed, Fouad, Eman Adel Sayma (New Damietta University Hospital), Ahmad, Elbatahgy, Angham Solaiman El-Ma'doul, Ahmed, Mosad, Hager, Tolba, Diaa Eldin Abdelazeem Amin Elsorogy, Hassan Ali Mostafa, Amira Atef Omar, Ola Sherief Abd El Hameed, Ahmed Lasheen (Quweisna Central Hospital In Quweisna), Yasser Abd El Salam, Ashraf, Morsi, Mohammed Ismail (Ras El Tin General Hospital), Hager Ahmed El-badawy, Mohamed, A Amer, Ahmed Sabry El-Hamouly, Attallah, Noura A., Omnia, Mosalum, Ahmed, Afandy, Ahmed, Mokhtar, Alaa, Abouelnasr, Sara, Ayad, Ramdan, Shaker, Rokia, Sakr, Ramadan, Shaker, Mahmoud, Amreia, Soaad, Elsobky, Mohamed, Mustafa, Ahmed Abo El Magd, Abeer, Marey, Amr Tarek Hafez, Mohamed, F Zalabia (Shebin Elkom Teaching Hospital, Menoufia), Mohamed Moamen Mohamed, Amr, Fadel, Emad Ali Ahmed (Sohag University Hospital), Ahmad, Ali, Mohammad Ghassan Alwafai, Abdullah, Dwydar, Sara, Kharsa, Ehab, Mamdouh, Hatem, El-Sheemy, Ibrahim, Alyoussef, Abouelatta Khairy Aly, Ahmad, Aldalaq, Ehab, Alnawam, Dalia Alkhabbaz (Souad Kafafi University Hospital), Mahmoud, Saad, Shady, Hussein, Ahmed Abo Elazayem, Ahmed, Meshref, Marwa, Elashmawy, Mohammed, Mousa, Ahmad, Nashaat, Sara, Ghanem, Zaynab, M Elsayed, Aya, Elwaey, Iman Elkadsh (Suez Canal University Hospitals), Mariam, Darweesh, Ahmed, Mohameden, Mennaallah Hafez (Suez General Hospital), Ahmed, Badr, Assmaa, Badwy, Mohamed Abd El Slam (Talla Central Hospital), Mohamed, Elazoul, Safwat, Al-Nahrawi, Lotfy, Eldamaty, Fathee, Nada, Mohamed, Ameen, Aya, Hagar, Mohamed, Elsehimy, Mohammad, Aboraya, Hossam, Dawoud, Shorouk El Mesery, Abeer El Gendy, Ahmed, Abdelkareem, Ahmed Safwan Marey, Mostafa, Allam, Sherif, Shehata, Khaled, Abozeid, Marwa, Elshobary, Ahmed, Fahiem, Sameh, Sarsik, Amel, Hashish, Mohamed, Zidan, Mohamed, Hashish, Shaimaa, Aql, Abdelaziz Osman Abdelaziz Elhendawy (Tanta University Hospital), Mohamed, Husseini, Esraa, Kasem, Ahmed, Gheith, Yasmin, Elfouly, Ahmed Ragab Soliman, Yasmein, Ibrahim, Nesma, Elfouly, Ahmed, Fawzy, Ahmed, Hassan, Mohammad, Rashid, Abdallah Salah Elsherbiny, Basem, Sieda, Nermin, M Badwi, Mohammed Mustafa Hassan Mohammed, Osama, Mohamed, Ethiopia: Mengistu Worku, Mohammad Abdulkhalek Habeeb (Zagazig University Hospitals)., Nichole Starr (Dessie Referral Hospital), Semay, Desta, Sahlu, Wondimu, Nebyou Seyoum Abebe (Minilik Ii Hospital), Efeson, Thomas, Frehun Ayele Asele, Daniel Dabessa (Myungsung Christian Medical Center), Nebiyou Seyoum Abebe, Finland: Panu Mentula, Abebe Bekele Zerihun (Tikur Anbessa Hospital)., Ari, Leppäniemi, France: Aurelien Scalabre, Ville Sallinen (Helsinki University Central Hospital)., Fernanda, Frade, Sabine Irtan (Trousseau Hospital Sorbonnes Universités, Upmc Univ Paris), Vivien, Graffeille, Elodie, Gaignard, Quentin Alimi (Chu De Rennes), Quentin, Alimi, Vivien, Graffieille, Elodie Gaignard (Fr Rennes University), Olivier, Abbo, Sofia, Mouttalib, Ourdia Bouali (Hopital Des Enfants), Erik, Hervieux, Yves, Aigrain, Nathalie Botto (Hopital Necker Enfants Malades), Alice, Faure, Lucile, Fievet, Nicoleta Panait (Hopitâl Nord), Emilie, Eyssartier, Francoise, Schmitt, Guillaume Podevin (Pediatric Surgery Department, University Hospital Of Angers, France), Valentine, Parent, Amandine, Martin, Alexis Pierre Arnaud (Rennes University Hospital), Cecile, Muller, Arnaud, Bonnard, Ghana: Francis Abantanga, Matthieu Peycelon (Robert Debré Children University Hospital)., Kwaku, Boakye-Yiadom, Mohammed Bukari (Komfo Anokye Teaching Hospital), Frank Owusu (Offinso District Hospital), Joseph, Awuku-Asabre, Lemuel Davies Bray (University For Development Studies, School Of Medicine And Health Sciences, General Surgery Department, Greece: Dimitrios Lytras, Tamale Teaching Hospital)., Kyriakos, Psarianos, Anastasia Bamicha (Achillopoyleio General Hospital Of Volos), Eirini Kefalidi (Attikon General Hospital), Georgios Gemenetzis (Attikon University Hospital), Christos, Dervenis, Nikolaos, Gouvas, Christos Agalianos (Konstantopouleio General Hospital Of Athens), Michail, Kontos, Gregory, Kouraklis, Dimitrios Karousos (Laiko University Hospital), Stylianos, Germanos, Constantinos Marinos (Larissa General Hospital), Christos, Anthoulakis, Nikolaos, Nikoloudis, Guatemala: Gustavo Recinos, Nikolaos Mitroudis (Serres General Hospital)., Sergio, Estupinian, Walter Forno (Hospital De Accidentes Ceibal), José René Arévalo Azmitia (Hospital General De Enfermedades, Cirugia De Emergencia, Instituto Guatemalteco De Seguridad Social), Carla Cecilia Ramãrez Cabrera (Hospital General De Enfermedades, Servicio De Cirugia Abdominal, Romeo, Guevara, Maria, Aguilera, Napoleon, Mendez, Cesar Augusto Azmitia Mendizabal, Pablo, Ramazzini, Mario Contreras Urquizu (Hospital General San Juan De Dios), Fernando, Tale, Rafael, Soley, Emanuel, Barrios, Emmanuel Barrios (Hospital Juan Jose Arevalo Bermejo), Daniel Estuardo Marroquín Rodríguez, Carlos Iván Pérez Velásquez, Sara María Contreras Mérida (Hospital Regional De Retalhuleu), Francisco, Regalado, Mario, Lopez, Miguel Siguantay (Hospital Roosevelt, Hong Kong: Fong Yee Lam, Guatemala)., Kylie Joan-yi Szeto, Charing Cheuk Ling Szeto, Wing Sum Li, Kieran Ka Kei Li, Man Fung Leung, Tony, Mak, India: SS Prasad, Simon Ng (Prince of Wales Hospital)., Anand, Kirishnan, Nidhi Gyanchandani (KMC Hospital), Bylapudi Seshu Kumar, Muthukumaran Rangarajan (Kovai Medical Centre &amp, Hospital), Sriram, Bhat, Anjana, Sreedharan, Kinnera (Kasturba Medical College), S. V., Yella, Reddy, Caranj, Venugopal, Sunil Kumar (Pes Institute Of Medical Sciences &amp, Research), Abhishek Mittal (Safdarjung Hospital, New, Delhi), Shravan, Nadkarni, Harish Neelamraju Lakshmi, Puneet Malik (Sawai Man Singh Medical College &amp, Hospitals, Jaipur, Rajasthan), Neel, Limaye, Srinivas, Pai, Pratik Jain (Sdm College Of Medical Sciences And Hospital), Monty, Khajanchi, Savni, Satoskar, Rajeev Satoskar (Seth Gordhandas Sunderdas Medical College And King Edward Memorial Hospital), Indonesia: Eldaa Prisca Refianti Sutanto, Abid Bin Mahamood (Travancore Medical College Hospital)., Daniel Ardian Soeselo, Chintya Tedjaatmadja (Atmajaya Hospital), Fitriana Nur Rahmawati, Radhian, Amandito, Maria Mayasari (Dr Cipto Mangunkusumo General Hospital, Iraq: Ruqaya Kadhim Mohammed Jawad Al-Hasani, Jakarta)., Hasan Ismael Ibraheem Al-Hameedi, Hasan Ismael Ibraheem, Israa Abdullah Aziz Al-Azraqi (Alsader Medical City), Lubna, Sabeeh, Rahma, Kamil, Marwan Shawki (Baghdad Medical City), Muwaffaq Mezeil Telfah (Department Of Surgery, College Of Medicine, University Of Mosul, Ireland: Amoudtha Rasendran, Al-Jumhoori Teaching Hospital)., Jacqueline, Sheehan, Robert, Kerley, Caoimhe, Normile, Richard William Gilbert, Jiheon, Song, Mohamed, Dablouk, Linnea, Mauro, Mohammed Osman Dablouk, Michael, Hanrahan, Paul, Kielty, Eleanor Marks (Cork University Hospital), Simon, Gosling, Michelle, Mccarthy, Amoudtha Rasendran (Cork University Hospital &amp, University College Cork), Diya, Mirghani, Syed Altaf Naqvi, Chee Siong Wong (Limerick University Hospital), Siyi, Chung, Reuban, D'Cruz, Ronan Cahill (Mater Misericordiae University Hospital), Simon George Gosling, Amoudtha, Rasendran, Ciara, Fahy, Diana Duarte Cadogan, Anna, Powell, Richard, Gilbert, Caroline, Clifford, Aoife Driscoll (Mercy University Hospital), Stassen, Paul, Chris, Lee, Ross Bowe (Midlands Regional Hospital Mullingar), William, Hutch, Michael Hanrahan (University College Cork), Helen, Mohan, Maeve, O'Neill, Italy: Piergiorgio Danelli, Kenneth Mealy (Wexford General Hospital)., Andrea, Bondurri, Anna Maffioli (Azienda Ospedaliera Luigi Sacco, - Polo Universitario), Mario, Pasini, Giacomo, Pata, Stefano Roncali (Azienda Ospedaliera Spedali Civili Di Brescia, - Chirurgia Generale), Paolo, Silvani, Michele, Carlucci, Roberto Faccincani (Irccs Ospedale San Raffaele), Luigi, Bonavina, Yuri, Macchitella, Chiara Ceriani (University of Milan, IRCCS Policlinico San Donato), Gregorio, Tugnoli, Salomone Di Saverio, Khaled Khattab (Maggiore Hospital), Miguel Angel Paludi, Domenica, Pata, Luigi Maria Cloro (Nicola Giannettasio Hospital), Andrea, Allegri, Federico Coccolini (Papa Giovanni Xxiii Hospital), Ezio, Veronese, Luca, Bortolasi, Alireza Hasheminia (San Bonifacio Hospital), Giacomo, Nastri, Massimiliano Dal Canto, Stefano Cucumazzo (Santa Croce Hospital), Angelo, Benevento, Gaetano Tessera (Sant'Antonio Abate Hospital, Gallarate), Pier Paolo Grandinetti, Alessio, Maniscalco, Giovanni Luca Lamanna (Santi Benvenuto, E Rocco Hospital Asur), Luca, Turati, Giovanni, Sgroi, Emanuele Rausa (Treviglio Hospital), Roberta, Villa, Michela, Monteleone, David Merlini (Unita' Di Chirurgia D'urgenza Azienda Ospedaliera Salvini), Federico, Coccolini, Andrea Allegri (Unit Of General Surgery, I, Papa Giovanni Xxiii Hospital), Veronica, Grassi, Roberto, Cirocchi, Libya: Hamza Waleed, Alban Cacurri (University Of Perugia)., Ahmed, Diab, Lithuania: Mantas Jokubauskas, Fathi Elzowawi (Misurata Central Hospital)., Karolis, Varkalys, Donatas Venskutonis (Kaunas Clinical Hospital), Robertas, Pranevicius, Viktorija Ambrozeviciute (Klaipedas Seaman Hospital), Simona, Juciute, Austė Skardžiukaitė (Lietuvos Sveikatos Mokslų Universitetas), Saulius, Bradulskis, Linas, Urbanavicius, Aiste, Austraite, Romualdas, Riauka, Zilvinas Dambrauskas (Lithuanian University Of Health Sciences), Paulius, Karumnas, Zigmantas, Urniezius, Reda Zilinskiene (Republic Hospital Of Kaunas), Anele Rudzenskaite (Republic Hospital Of Panevezys), Ausrine, Usaityte, Margarita, Montrimaite, Nerijus Kaselis (Republic Klaipeda Hospital), Andrius, Strazdas, Kristijonas Jokubonis (Stasys Kudirka Regional Hospital Of Alytus), Kornelija, Maceviciute, Virgilijus, Beisa, Kestutis, Strupas, Erikas Laugzemys (Vilnius University, Center Of Abdominal Surgery), Andrej, Kolosov, Valdemaras, Jotautas, Ignas Rakita (Vilnius University Hospital Santariskiu Clinics), Saulius, Mikalauskas, Darius, Kazanavicius, Rokas, Rackauskas, Virgilijus Beisa (Vilnius University Hospital Santariskiu Klinikos), Ritauras, Rakauskas, Malawi: Ross Coomber, Egle Preckailaite (Vsi Jonavos Ligonine)., Kenneth, Johnson, Malaysia: Dineshwary Periasammy, Jennifer Nowers (Queen Elizabeth Hospital)., Afizah, Salleh, Andre Das (Hospital Kajang), Reuben Goh Ern Tze, Milaksh Nirumal Kumar, Nik Azim Nik Abdullah (Sarawak General Hospital), Nik Ritza Kosai, Mustafa, Taher, Reynu Rajan (Universiti Kebangsaan Malaysia Medical Centre), Hoong Yin Chong, Malta: Marija Agius, Cheng Chun Goh (University Malaya Medical Centre)., Maureen, Bezzina, Roberta, Bugeja, Martinique, Vella-Baldacchino, Andrew, Spina, Josephine Psaila (Mater Dei Hospital, Martinique: Helene Francois-Coridon, Malta)., Cecilia, Tolg, Jean-Francois Colombani (Department Of Pediatric Surgery, Mother And Children's Hospital, Mexico: Carmina Diaz-Zorrilla, University Hospital Of Martinique)., Antonio Ramos-De La Medina, Mozambique: Mário Jacobe, Samantha Corro-Diaz Gonzalez (Hospital Español de Veracruz)., Domingos, Mapasse, New Zealand: Ramadan Oumer, Elizabeth Snyder (Hospital Central Maputo)., Mohammed Osman (Whangarei Hospital, Nigeria: Aminu Mohammad, Northland District Health Board)., Lofty-John, Anyanwu, Abdulrahman Sheshe (Aminu Kano Teaching Hospital), Alaba, Adesina, Olubukola, Faturoti, Ogechukwu Taiwo (Babcock University Teaching Hospital), Muhammad Habib Ibrahim, Abdulrasheed, A Nasir, Siyaka Itopa Suleiman (Federal Medical Centre, Birnin, Kebbi), Adewale, Adeniyi, Opeoluwa, Adesanya, Ademola Adebanjo (Federal Medical Centre), Roland, Osuoji, Kazeem, Atobatele, Ayokunle, Ogunyemi, Omolara, Williams, Mobolaji, Oludara, Olabode Oshodi (Lagos State University Teaching Hospital), Adesoji, Ademuyiwa, AbdulRazzaq Oluwagbemiga Lawal, Felix, Alakaloko, Olumide, Elebute, Adedapo, Osinowo, Christopher Bode(Lagos University Teaching Hospital), Abidemi Adesuyi (National Hospital Abuja), Adesoji, Tade, Adeleke, Adekoya, Collins Nwokoro (Olabisi Onabanjo University Teaching Hospital), Omobolaji, O Ayandipo, Taiwo Akeem Lawal, Akinlabi, E Ajao (University College Hospital), Samuel Sani Ali, Babatunde, Odeyemi, Samson Olori (University of Abuja Teaching Hospital), Ademola, Popoola, Ademola, Adeyeye, Lossius (Department Of Gastrointestinal Surgery, James Adeniran (University of Ilorin Teaching Hospital). Norway: William J., Olavs Hospital, St., Trondheim University Hospital), Ingemar Havemann (Soerlandet Hospital Kristiansand), Kenneth, Thorsen, Jon Kristian Narvestad, Kjetil Soreide (Stavanger University Hospital), Trude Beate Wold, Linn Nymo (University Hospital Of North Norway, Oman: Mohammed Elsiddig, Troms)., Pakistan: Kamran Faisal Bhopal, Manzoor Dar (Sohar Hospital)., Zainab, Iftikhar, Muhammad Mohsin Furqan (Bahawal Victoria Hospital), Bakhtiar, Nighat, Masood, Jawaid, Abdul Khalique (Dow University Hospital), Ahsan, Zil-E-Ali, Anam Rashid (Fatima Memorial Hospital), Hasnain Abbas Dharamshi, Tahira, Naqvi, Ahmad Faraz (Karachi Medical And Dental College, Abbasi Shaheed Hospital), Abdul Wahid Anwar, Tahir Muhammad Yaseen, Ghina Shamim Shamsi, Ghina, Shamsi, Tahir, Yaseen, Paraguay: Horacio Paredes Decoud, Wahid Anwer (The Indus Hospital)., Omar, Aguilera, Ismael Isaac Zelada Alvarez, Juan Marcelo Delgado, Gustavo Miguel Machain Vega, Peru: Wendy Leslie Messa Aguilar, Helmut Alfredo Segovia Lohse (Hospital De Clínicas)., Jose Antonio Cabala Chiong, Essalud), Ana Cecilia Manchego Bautista (Carlos Alberto Seguin Escobedo National Hospital., Eduardo, Huaman, Sergio, Zegarra, Rony Camacho (Hospital Necional Guillermo Almenara), Jose María Vergara Celis, Diego Alonso Romani Pozo (Hospital De Emergencias Pediatricas), José, Hamasaki, Edilberto, Temoche, Jaime Herrera-Matta (Hospital De Policia), Carla Pierina García Torres, Luis Miguel Alvarez Barreda, Ronald Renato Barrionuevo Ojeda (Hospital Goyeneche), Octavio Garaycochea (Hospital Ii -1 Minsa Moyobamba), Melanie Castro Mollo, Mitchelle Solange De Fã Tima Linares Delgado, Francisco Fujii (Hospital Maria Auxiliadora), Ana Cecilia Manchego Bautista, Wendy Leslie Messa Aguilar, Jose Antonio Cabala Chiong (Hospital Nacional Carlos Alberto Seguin), Susana Yrma Aranzabal Durand, Carlos Alejandro Arroyo Basto, Nelson Manuel Urbina Rojas (Hospital Nacional Edgardo Rebagliati Martins-Essalud), Sebastian Bernardo Shu Yip, Ana Lucia Contreras Vergara, Andrea Echevarria Rosas Moran, Giuliano Borda Luque, Manuel Rodriguez Castro, Ramon Alvarado Jaramillo (Hospital Nacional Cayetano Heredia), George Manrique Sila, Crislee Elizabeth Lopez, Mardelangel Zapata Ponze De Leon, Massiell, Machaca, Ronald Coasaca Huaraya, Andy, Arenas, Crislee, López, Clara Milagros Herrera Puma, Wilfredo, Pino, Christian, Hinojosa, Melanie Zapata Ponze De Leon, Susan, Limache, George Manrrique Sila, Portugal: Renato Melo, Layza-Alejandra Mercado Rodriguez (Hospital Regional Honorio Delgado Espinoza)., Jose, Costa-Maia, Romania: Ionasc Dan, Nuno Muralha (Servico De Cirurgia Geral - Centro Hospitalar Sao Joao - Porto). Reunion: Frederique Sauvat (Chu Reunion)., Mircea, Hogea, Pandi Eduard (Emergency Clinical Hospital Brasov), Razvan-Matei, Bratu, Mircea, Beuran, Ionut-Bogdan, Diaconescu, Bogdan-Valeriu, Martian, Florin-Mihail, Iordache, Mihaela Vartic (Emergency Clinical Hospital Bucharest), Lucian Corneliu Vida, Liviu Iuliu Muntean, Rwanda: Vizir Jean Paul Nsengimana (Chuk), Aurel Sandu Mironescu (Spitalul Clinic De Copii Brasov)., Alice, Niragire, Jean De La Croix Allen Ingabire, San Marino: Nicola Zanini, Eugene Niyirera (University Teaching Hospital Of Kigali)., Elio, Jovine, Alomar, Giovanni Landolfo (San Marino State Hospital). Saudi Arabia: Ibrahim N., Alnuqaydan, Saleh A., Altwigry (Buraydah Central Hospital), Abdulrahman M., Moayad, Othman, Nohad Osman (Imam Abdulrahman Al Faisal Hospital), Enas Alqahtani (King Abdulaziz Hospital Al Ahsa National Guard), Mohammed, Alzahrani, Rifan, Alyami, Emad Aljohani (King Abdulaziz Medical City), Ibrahim, Alhabli, Zaher, Mikwar, Sultan Almuallem (King Abdulaziz Medical City (King Khalid National Guard Hospital, Jeddah), Emad, Aljohani, Mohammed Alzahrani (King Abdulaziz Medical City, Riyadh), Abrar, Nawawi, Mohamad, Bakhaidar, Maghrabi, Ashraf A., Mohammed, Alsaggaf, Murad, Aljiffry, Abdulmalik, Altaf, Ahmad, Khoja, Alaa, Habeebullah, Nouf Akeel (Department of Surgery, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi, Arabia), Nashat, Ghandora, Abdullah, Almoflihi, Abdulmalik Huwait (King Fahad General Hospital), Abeer, Al-shammari, Mashael Al-Mousa (King Fahad Hospital), Masood, Alghamdi, Walid, Adham, Bandar, Albeladi, Muayad Ahmed Alfarsi, Atif, Mahdi, Saad Al Awwad (King Fahd Hospital), Thamer, Nouh, Mazen Hassanain (King Khaled University Hospital, King Saud University), Salman, Aldhafeeri, Nawal, Sadig, Osama Algohary (King Khalid General Hospital), Mohannad, Aledrisy, Ahmad Alrifaie (King Khalid National Guard Hospital), Mohammed, Alrowais, Amani Althwainy (Department of Surgery, Alaa, Shabkah, Uthman, Alamoudi, Mawaddah Alrajraji (National Guard Hospital), Basim, Alghamdi, Saud, Aljohani, Abdullah Daqeeq (Rcymc), South Africa: Vicky Jennings, Jubran J Al-Faifi (Security Forces Hospital)., Nyawira, Ngayu, Rachel Moore (Chris Hani Baragwanath Academic Hospital), Victor Kong (Edendale Hospital), Hayden, Kretzmann, Katie, Connor, Daniel Nel (Frere Hospital), Colleen, Sampson, Eugenio Panieri (Groote Schuur), Nosisa Sishuba (Helen Joseph Hospital, Department Of Surgery, University Of The Witwatersrand), Myint, Tun, Albert Mohale Mphatsoe, Jo-Anne Carreira (Leratong Hospital), Mark Wagener (Ngwelezana Hospital), Stefan, Botes, Spain: Fernando Fernandez-Bueno (Hospital Central De La Defensa Gomez Ulla), Danelo Du Plessis (Rob Ferreira Hospital)., Jose, Aguilar-Jimenez, Sms), Jose Andres Garcia-Marin (Hospital Morales Meseguer., Lorena Solar García, Luis Joaquín García Florez, Rubén Darío Arias Pacheco (Hospital San Agustín), Janet, Pagnozzi, Jimy Harold Jara Quezada, Jose Luis Rodicio, German, Minguez, Raquel, Rodríguez-Uría, Paul, Ugalde, Camilo, Lopez-Arevalo, Luis, Barneo, Jessica Patricia Gonzales Stuva (Hospital Universitario Central De Asturias), Irene, Ortega-Vazquez, Lorena, Rodriguez, Sri Lanka: Prasad Pitigala Arachchi, Norberto Herrera (Severo Ochoa University Hospital)., Wanigasekara Senanayake Mudiyanselage Kithsiri Janakantha Senanayake, Lalith Asanka Jayasooriya Jayasooriya Arachchige (Department Of General Surgery, Teaching Hospital Kandy), Sivasuriya, Sivaganesh, Dulan Irusha Samaraweera, Sudan: Ahmed Elgaili Khalid Musa, Vimalakanthan Thanusan (National Hospital Of Sri Lanka)., Reem Mohammed Hassan Balila, Mohamed Awad Elkarim Hamad Mohamed (Ibrahim Malik Teaching Hospital), Hussein, Ali, Hagir Zain Elabdin, Alaa Hassan (Jarash International Specialized Hospital), Sefeldin, Mahdi, Hala, Ahmed, Sahar Abdoun Ishag Idris (Khartoum Teaching Hospital), Makki, Elsayed, Mohammed, Elsayed, Sweden: Magnus Boijsen, Mohamed Mahmoud (Omdurman Teaching Hospital)., Per-Olof Lundgren (Capio St Goran Hospital), Ulf, Gustafsson, Ali Kiasat (Danderyds Hospital), Fredrik, Wogensen, Emma, Jurdell, Anders Thorell (Department Of Surgery, Ersta, Hospital, Stockholm), Hildur, Thorarinsdottir, Maria Utter (Helsingborgs Lasarett), Sami Martin Sundstrom (Hudiksvall Sjukhus), Cecilia, Wredberg, Ann Kjellin (Karolinska Universitetssjukhuset), Johanna, Nyberg, Bjorn Frisk (Skaraborg Hospital Skovde), Malin, Sund, Linda, Andersson, Ulf Gunnarsson (Department Of Surgical And Perioperative Sciences, Umea University and Umea University Hospital), Yücel, Cengiz, Sandra, Ahlqvist, Ida Björklund (Sundsvall Hostpital) Hanna Royson, Per Weber (Vaexjoe Central Hospital), Hans-Ivar, Pahlsson, Eva Borin (Visby Hospital, Department Of Surgery), Maria Hjertberg (Vrinnevi Hospital), Hanna, Royson, Switzerland: Roger Schmid, Per Weber (Vaxjo Central Hospital)., Debora, Schivo, Vasileios Despotidis (Bürgerspital Solothurn), Stefan, Breitenstein, Ralph, F Staerkle, Erik Schadde (Kantonsspital Winterthur), Fabian, Deichsel, Alexandra, Gerosa, Antonio Nocito (Kantonsspital Baden), Dimitri Aristotle Raptis, Barbara, Mijuskovic, Markus, Zuber, Lukas Eisner (Kantonsspital Olten), Swantje, Kruspi, Katharina Beate Reinisch, Christin Schoewe (Kreisspital Fuer Das Freiamt Muri Ag), Allan, Novak, Palma, Adrian F., Gerfried Teufelberger (Kreisspital Muri, Tanzania: Msafiri Kimaro, Department Of Surgery)., Rachel King (Mbalizi Christian Designated Hospital) Turkey: Ali Zeynel Abidin Balkan, Mehmet, Gumar, Mehmet Ali Yavuz (Harran University Research And Treatment Hospital), Ufuk, Karabacak, Gokhan, Lap, Bahar Busra Ozkan (Ondokuz Mayis University, Medical, Faculty), Bahar Busra Ozkan, United Kingdom: Ryan Adams, Murat Karakahya (Ordu University Training And Research Hospital)., Robert, Morton, Liam, Henderson, Ruth, Gratton, Keiran David Clement, Kate Yu-Ching Chang, David, Mcnish, Ryan, Mcintosh, William Milligan (Aberdeen Royal Infirmary), Brendan, Skelly, Hannah, Anderson-Knight, Roger Lawther (Altnagelvin Area Hospital), Jemina, Onimowo, Veereanna, Shatkar, Shivanee Tharmalingam (Barking, Havering And Redbridge University Hospitals Trust (Queens Hospital, Romford), Evelina, Woin, Tessa, Fautz, Oliver Ziff (Barnet General Hospital), Shiva, Dindyal, Sam, Arman, Shagorika, Talukder, Vijay, Gadhvi, Shagorika Talukder (Basildon And Thurrock University Foundation Trust), Luen Shaun Chew, Jonathan Heath (Blackpool Victoria Teaching Hospitals), Natalie, Blencowe, Sally, Hallam, Katherine Gash (Bristol Royal Infirmary), Gurdeep Singh Mannu, Dimitris-Christos, Zachariades, Ailsa Claire Snaith (Buckinghamshire NHS Trust), Thusitha Sampath Hettiarachchi, Arjun, Nesaratnam, James Wheeler (Cambridge University Hospitals NHS Foundation Trust), Darragh, Mccullagh, Joshua Michael Clements, Ata Khan (Causeway Hospital), Foteini, Koumpa, Christina, Neophytou, Jessica, Roth, Wai Cheong Soon, Mohammed, Deputy, Ahmed, Ahmed, Annelisse, Ashton, Joe, Vincent, Jack, Almy, Taufiq, Khan, John Lee, Y Allen, Charlotte Jane Mcintyre, Dominic Charles Marshall (Charing Cross Hospital, Imperial College Healthcare NHS Trust), Mark, Sykes, Nebil, Behar, Harriet Jordan (Chelsea And Westminster Hospital), Yaseen, Rajjoub, Thomas Sherman (Cheltenham General Hospital), Timothy, White, Anna, Watts, Rohan Ardley (Chesterfield Royal Hospital NHS Foundation Trust), Tan, Arulampalam, Apar, Shah, Damien Brown (Colchester Hospital University NHS Foundation Trust), Emma, Blower, Paul, Sutton, Konstantinos, Gasteratos, Dale Vimalachandran (Countess Of Chester Hospital), Cathy, Magee, Andrew Mcguigan (Craigavon Area Hospital), Stephen, Mcaleer, Clare Morgan (Daisy Hill Hospital), Sarah Braungart (Department Of Paediatric Surgery, Leeds General Infirmary), Kirsten, Lafferty, Peter, Labib, Andrei, Tanase, Clodagh, Mangan, Lillian, Reza, Clodagh Mangan (Derriford Hospital), Helen, Woodward, Craig, Gouldthorpe, Megan Turner (Diana Princess Of Wales Hospital), Jonathan R, L Wild, Tom AM Malik, Victoria, K Proctor (Doncaster Royal Infirmary NHS Foundation Trust), Kalon, Hewage, James Davies (Dorset County Hospital), Andre, Dubois, Sayed, Sarwary, Ali, Zardab, Alan, Grant, Robert Mcintyre (Dr Grays Hospital), Yogendra Praveen Mogan, Weiguang, Ho, Bryon Frankie Hon Khi Chong (Dumfries And Galloway Royal Infirmary), Shirish, Tewari, Gemma, Humm, Eriberto Farinella (East And North Hertfordshire NHS Trust Lister Hospital) Nigel, J Hall, Naomi, J Wright, Christina, P Major (Evelina Children's Hospital), Thelma, Xerri, Phoebe De Bono, Jasim, Amin, Mustafa, Farhad, Camilleri-Brennan, John F., Andrew G, N Robertson, Joanna, Swann, James, Richards, Aijaz, Jabbar, Myranda, Attard, Hannah, Burns, Euan, Macdonald, Matthew, Baldacchino, Jennifer, Skehan, Julian Camilleri-Brennan (Forth Valley Royal Hospital), Tom Falconer Hall, Madelaine, Gimzewska, Greta Mclachlan (Frimley Park Hospital), Jamie, Shah, James Giles (George Elliot Hospital), Selina, Chiu, Beatrix, Weber, Selina Man Yeng Chiu, Saskia Highcock (Gilbert Bain Hospital), Maleeha, Hassan, William, Beasley, Apostolos, Vlachogiorgos, Stephen, Dias, Geta, Maharaj, Rosie Mcdonald (Glangwili General Hospital), Alisdair, Macdonald, Paul, Witherspoon, Alan Baird (Glasgow Southern General Hospital), Panchali, Sarmah, Nikki, Green, Haney Youssef (Good Hope Hospital), Kate, Cross, Clare, M Rees, Bernard Van Duren (Great Ormond Street Hospital For Children NHS Foundation Trust), Emma Upchurch (Great Western Hospital), Khurram, Khan, Haytham, Abudeeb, Ahmed Hammad (Hairmyres Hospital, Nhs, Lanarkshire), Sharad, Karandikar, Doug, Bowley, Ahmed Karim (Heart Of England Foundation Trust), Witold, Chachulski, Liam, Richardson, Giles, Dawnay, Ben, Thompson, Ajayesh, Mistry, Aneel, Bhangu, Millika, Ghetia, Sudipta, Roy, Ossama, Al-Obaedi, Kaustuv Das (Hereford County Hospital), Ash, Prabhudesai, Cocker, Dm, Jessica Juliana Tan (Hillingdon Hospital), Robert, Tyler, Filippo Di Franco, Shruti Ayyar (Hinchingbrooke Hospital), Sayinthen, Vivekanantham, Shyam Gokani (Imperial College London), Michael, Gillespie, Katrin Gudlaugsdottir (Inverclyde Royal Hospital), Theodore, Pezas, Chelise, Currow, Matthew Young-Han Kim (Ipswich Hospital NHS Trust), Amerdip, Birring, Joanne, Edwards, Ased, Ali, Suparna, Das, Madan, Jha, Kieran Atkinson (James Cook University Hospital), Joshua, Luck, Thomas, Fozard, Michael Puttick (John Radcliffe Hospital), Yahya, Salama, Rohi, Shah, Ahmad Aboelkassem Ibrahem, Hamdi, Ebdewi, Gianpiero, Gravante, Saleem El-Rabaa (Kettering General Hospital), Henry, Nnajiuba, Rebecca, Allott, Aman Bhargava (King George Hospital), Zoe, Chan, Zaffar Hassan (Kings College Hospital), Misty, Makinde, David, Hemingway, Ramzana, Dean, Alexander, Boddy, Ahmed, Aber, Vijay Patel (Leicester Royal Infirmary), Jehangirshaw Parakh (Leighton Hospital, - Mid Cheshire NHS Foundation Trust), Sunil Parthiban (Lister Hospital), Harmony Kaur Ubhi, Simon-Peter Hosein (Luton And Dunstable Hospital), Simon, Ward, Kamran Malik (Macclesfield District General Hospital), Leifa, Jennings, Tom, Newton, Mirna, Alkhouri, Min Kyu Kang, Christopher, Houlden, Jonathan Barry (Morriston Hospital), Imtanan, Raza, Alistair, Farquharson, Sanjeet Bhattacharya (NHS Ayrshire), William, Milligan, Kate, Chang, Liam Henderson (NHS Grampian), Michael S, J Wilson, Yan Ning Neo, Ibrahim, Ibrahim, Emily, Chan, Fraser, S Peck, Pei, J Lim, Alexander, S North, Rebecca, Blundell, Adam Williamson (Ninewells Hospital, NHS), Dina, Fouad, Ashish Minocha (Norfolk And Norwich University Hospital), Kathryn, Mccarthy, Emma, Court, Alice Chambers (North Bristol NHS Trust), Jenna, Yee, Ji Chung Tham, Ceri Beaton (North Devon District Hospital), Una, Walsh, Joseph, Lockey, Salman, Bokhari, Lara, Howells, Megan, Griffiths, Laura Yallop (Northwick Park Hospital), Shailinder, Singh, Omar, Nasher, Paul Jackson (Nottingham Children's Hospital At Queens Medical Centre Campus), Michael, Puttick, Thomas Fozard (Oxford University Hospitals), Abdul Muiz Shariffuddin, Weng Chee Ho, Michael Sj Wilson, Gurpreet Pabla (Perth Royal Infirmary), Saed, Ramzi, Shady, Zeidan, Jennifer Doughty (Plymouth Hospitals NHS Trust), Sidhartha, Sinha, Ross, Davenport, Jason Lewis (Princess Alexandra Hospital), Leo, Duffy, Elizabeth, Mcaleer, Eleanor Williams (Princess Of Wales Hospital), Robin, Som, Omar Javed (Queen Elizabeth Hospital Woolwich), Matthew, Boal, Nicola, Harrison, Habib, Tafazal, Omar, Javed, Tom, Brogden, Ewen Griffiths (Queen Elizabeth Hospital Birmingham) Rhalumi Daniel Obute, Thomas, E Glover, David, J Clark (Queen Elizabeth Hospital King's Lynn), Mohamed, Boshnaq, Mansoor, Akhtar, Pascale, Capleton, Samer, Doughan, Mohamed, Rabie, Ismail Mohamed (Queen Elizabeth The Queen Mother Hospital), Duncan, Samuel, Lauren, Dickson, Matthew, Kennedy, Eleanor, Dempster, Emma, Brown, Natalie, Maple, Eimear, Monaghan, Bernhard, Wolf, Alicia Garland (Raigmore Hospital), Arthur, Mcphee, David, Anderson, Robert Anderson (Royal Alexandria Hospital), Sarah, Hassan, Dave Smith (Royal Bolton Hospital), Jonathan, Lund, Catherine, Boereboom, Jennifer, Murphy, Gillian, Tierney, Samson Tou (Royal Derby Hospital), Eleanor Franziska Zimmermann, Neil James Smart, Andrea Marie Warwick (Royal Devon And Exeter National Health Service Foundation Trust), Theodora, Stasinou, Ian, Daniels, Kim Findlay-Cooper (Royal Devon &amp, Exeter NHS Foundation Trust), Stefan, Mitrasinovic, Swayamjyoti, Ray, Massimo, Varcada, Rovan, D'Souza, Sharif Omara (Royal Free Hospital), Matthew, Spurr, Lucienne, Parkinson, Anthony Hanks (Royal Glamorgan Hospital), Jennifer, Ma, Emily, Abington, Meera, Ramcharn, Gethin Williams (Royal Gwent Hospital), Joseph, Winstanley, Kennedy, Ewan D., Emily NW Yeung (Royal Hospital For Sick Children), Catrin, Jones, Stephen, O'Neill, Shujing Jane Lim, Ignatius, Liew, Hari, Nair, Cameron, Fairfield, Julia, Oh, Samantha, Koh, Andrew, Wilson, Catherine Fairfield (Royal Infirmary Of Edinburgh), Delran, Anandkumar, Ashok, Kirupagaran, Timothy, F Jones, Hew Dt Torrance, Alexander, J Fowler, Charmilie, Chandrakumar, Priyank, Patel, Syed Faaz Ashraf, Lakhani, Sonam M., Aaron Lawson Mclean, Sonia Basson (Royal London Hospital), Jeremy, Batt, Catriona, Bowman, Natasha Benons (Royal United Hospital Bath), Clare, Mason, Rebecca, Harrison, John Quayle (Salford Royal NHS Foundation Trust), Tom, Barker, Virginia, Summerour, Edward Harper (Sandwell And West Birmingham Hospitals NHS Trust), Caroline, Smith, Matthew Hampton (Sheffield Children's Hospital), Sophie, K Pitt, Alex, E Ward, Timothy, O’Connor, Emily, G Heywood, Thomas, M Drake (Sheffield Teaching Hospitals NHS Foundation Trust), Abeed, Chowdhury, Sina, Hossaini, Nicholas Fs Watson (Sherwood Forest Hospitals NHS Foundation Trust), Doug, Mckechnie, Ayaan, Farah, Anita Chun (Southend University Hospital), Hoey, Koh, Grace, Lim, Graham Sunderland (Southern General Hospital), Laura, Gould, Alice Chambers (Southmead Hospital), C Munipalle, P, Rooney, H, D R, L Browning (Southmead Hospital, North Bristol NHS Trust), Bernadette, Pereira, Kristof Nemeth (St Georges Healthcare NHS Trust), Emily, Decker, Stefano, Giuliani, George's Healthcare NHS Trust And University), Aly Shalaby (St., Shafaque, Shaikh, Chern Yan Tan, James's University Hospital), Ebrahim Y A Palkhi (St., Aleksandra, Szczap, Swathikan, Chidambaram, Chee Yang Chen, Kavian, Kulasabanathan, Srishti Chhabra (St Mary's Hospital), Elisabeth, Kostov, Philippe, Harbord, Mary's Hospital), James Barnacle (St., Madan Mohan Palliyil, Mina, Zikry, Johnathan, Porter, Charef, Raslan, Shazia, Hafiz, Niksa, Soltani, Katie Baillie (Stockport NHS Foundation Trust), Priyanka, Singh, Shailee, Sheth, Kishen, Patel, Mahry, Khalili, Jeesoo, Choi, Matthew Benger (St Thomas' Hospital), Lucy, Marples, Alastair, Macfarlane, Thomas Hospital), Ramesh Thurairaja (St., Tamsin, Boyce, Harriet, Whewell, Elin Jones (The Royal Gwent Hospital), Francesca, Th'Ng, Nichola Robertson (The Royal Infirmary Of Edinburgh), Ahmad, Mirza, Haroon, Saeed, Simon Galloway (The University Hospital Of South Manchester), Gia, Elena, Mohammad, Afzal, Mohamed Zakir (United Lincolnshire Hospitals, - Pilgrim Hospital), Peter, Sodde, Charles, Hand, Aiesha, Sriram, Tamsyn, Clark, Patrick, Holton, Amy Livesey (University Hospital Coventry And Warwickshire), Yashashwi, Sinha, Fahad Mujtaba Iqbal, Indervir Singh Bharj (University Hospital Of North Midlands), Adriana, Rotundo, Cara, Jenvey, Robert Slade (University Hospital Of North Staffordshire NHS Trust), David, Golding, Samuel, Haines, Ali Adel Ne'ma Abdullah, Thomas, W Tilston, Dafydd, Loughran, Danielle, Donoghue, Lorenzo, Giacci, Mohamed Ashur Sherif, Peter, Harrison, Alethea Tang (University Hospital Of Wales), Deevia Kotecha (University Hospitals Leicester, - Leicester Royal Infirmary), Mohamed, Elshaer, Tomas, Urbonas, Amjid, Riaz, Annie, Chapman, Parisha, Acharya, Joseph Shalhoub (Watford General Hospital), Cathleen, Grossart, David McMorran (Western General Hospital), Makhosini, Mlotshwa, William, Hawkins, Sofronis Loizides (Western Sussex Hospitals NHS Trust), Kandaswamy, Krishna, Melanie, Orchard, Chik Wai Ho (Weston General Hospital), Peter, Thomson, Shahab, Khan, Fiona, Taylor, Jalak, Shukla, Emma Elizabeth Howie (Whipps Cross University Hospital), Linda, Macdonald, Olusegun, Komolafe, Neil Mcintyre (Wishaw General Hospital), James, Cragg, Jody, Parker, Duncan Stewart (Wrexham Maelor Hospital), Luke, Lintin, Julia, Tracy, United States: George Molina, Tahir Farooq (Yeovil District Hospital)., Haytham, Kaafarani, Laura Luque (Massachusetts General Hospital), Robel, Beyene, Jack, Sava, Mark Scott (Medstar Washington Hospital Center), Mamta, Swaroop, Raelene Kennedy (Northwestern Memorial Hospital), Ijeoma, A Azodo, Daithi, Heffernan, Tristen, Chun, Andrew Stephen (The Rhode Island Hospital), Melanie, Sion, Weinstein, Michael S., Viren Punja (Thomas Jefferson University Hospital), Nikolay, Bugaev, Monica, Goodstein, Shadi Razmdjou (Tufts Medical Center), Eric, Etchill, Juan Carlos Puyana, Matthew Kesinger (University of Pittsburgh Medical Center, - Presbyterian Hospital), Lena, Napolitano, Kathleen, To, Zambia: Oliver Todd, Mark Hemmila (University Of Michigan)., Edward, Jenner, Local collaborators (GlobalSurg-2) Albania: Besmir Grizhja, Ellen Hoogakker (St Francis Hospital)., Shpetim, Ymeri, Gezim Galiqi (Spitali Rajonal Shkoder), Argentina: Roberto Klappenbach, Diego, Antezana, Alvaro Enrique Mendoza Beleño, Cecilia, Costa, Belen, Sanchez, Susan Aviles (Hospital Zonal General De Agudos Simplemente Evita), Claudio Gabriel Fermani, Rubén, Balmaceda, Santiago, Villalobos, Lagomaggiore, Juan Manuel Carmona (Hospital Luis C., Mendoza), Australia: Daniel Hamill, Peter, Deutschmann, Simone, Sandler, Daniel Cox (Alice Springs Hospital), Ram, Nataraja, Claire, Sharpin, Damir Ljuhar (Monash Medical Center), Demi Gray, Morgan Haines (Port Macquarie Base Hospital), Dush, Iyer, Nithya, Niranjan, Scott D'Amours (Liverpool Hospital), Morvarid, Ashtari, Bangladesh: Ashrarur Rahman Mitul, Helena Franco (Gold Coast University Hospital)., Sabbir Karim (Dhaka Shishu (Children) Hospital), Nowrin F. Aman, Mahnuma Mahfuz Estee (Holy Family Red Crescent Medical College &amp, Umme, Salma, Joyeta, Razzaque, Tasnia Hamid Kanta (Dhaka Medical College And Hospital), Sayeeda Aktar Tori, Shadid, Alamin, Swapnil, Roy, Shadid Al Amin, Rezaul Karim (Armed Forces Medical College), Muhtarima, Haque, Amreen, Faruq, Farhana Iftekhar (Birdem Bangladesh Institute Of Research And Rehabilitation In Diabetes Endocrine And Metabolic Disorder General Hospital), Barbados: Margaret O'Shea, Greg, Padmore, Belarus: Andrey Litvin, Ramesh Jonnalagadda (Queen Elizabeth Hospital)., Aliaksandr, Filatau, Dzmitry, Paulouski, Maryna, Shubianok, Tatsiana Shachykava (Gomel Regional Clinical Hospital), Dzianis, Khokha, Vladimir Khokha (City Hospital) Benin: Fernande Djivoh, Francis Dossou (Centre National Hospitalier Et Universitaire Hubert Koutoukou Maga), Djifid Morel Seto, Dansou Gaspard Gbessi, Bruno, Noukpozounkou, Yacoubou Imorou Souaibou (Centre National Hospitalier Et Universitaire Hubert Koutoukou Maga), Kpèmahouton René Keke, Fred Hodonou (Clinique Vignon), Ernest Yemalin Stephane Ahounou, Thierry Alihonou (Hopital El Fateh), Max, Dénakpo, Burundi: Carlos Nsengiyumva, Germain Ahlonsou (Hospital Saint Luc). Botswana: Alemayehu Ginbo Bedada (Princess Marina Hospital)., Sandrine, Kwizera, Cambodia: Philip Choi, Venerand Barendegere (Hopital Militaire De Kamenge)., Simon Stock (World Mate Emergency Hospital) Canada: Luai Jamal, China: Tzu-Ling Chen, Arnav Agarwal (The Hospital For Sick Children)., Colombia: Irene Montes, Chingwan Yip (Fudan University Affiliated Huashan Hospital)., Felipe, Zapata, Sebastian Sierra (Clinica CES), Maria Isabel Villegas Lanau, Ivan Mendoza Restrepo (Clinica Las Vegas), Ruben Santiago Restrepo Giraldo, Croatia: Edgar Domini, Maria Clara Mendoza Arango (Hospital Universitario San Vicente Fundación)., Robert, Karlo, Egypt: Mohamed Youssef, Jakov Mihanovic (Zadar General Hospital)., Waleed, Thabet, Aly, Sanad, Ahmed, Zaki, Noran, Abdel-Hameed, Mohamed, Mostafa, Muhammad Fathi Waleed Omar, Ahmed, Ghanem, Adel, Denewar, Eman, Emara, Eman, Rashad, Ahmad, Sakr, Rehab, Elashry, Sameh Emile (Mansoura University Hospital), Toqa, Khafagy, Sara, Elhamouly, Arwa, Elfarargy, Amna Mamdouh Mohamed, Ghada Saied Nagy, Abeer, Esam, Eman, Elwy, Aya, Hammad, Salwa, Khallaf, Eman, Ibrahim, Ahmed, Saidbadr, Ahmed, Moustafa, Amany Eldosouky Mohammed, Mohammed, Elgheriany, Eman, Abdelmageed, Eman Abd Al Raouf, Esraa Samir Elbanby, Maha, Elmasry, Mahitab Morsy Farahat, Eman Yahya Mansor, Eman Magdy Hegazy, Esraa, Gamal, Heba, Gamal, Hend, Kandil, Doaa Maher Abdelrouf, Mohamed Moaty (Menofiya University Hospital), Dina, Gamal, Nada, El-Sagheer, Mohamed, Salah, Salma, Magdy, Asmaa, Salah, Ahmed, Essam, Ahmed, Ali, Mahmoud, Badawy, Sara Ahmed (Beni Suef University Hospital), Mazed, Mohamed, Abdelrahman, Assal, Mohamed, Sleem, Mai, Ebidy, Aly Abd Elrazek, Diaaaldin, Zahran, Nourhan, Adam, Mohamed, Nazir, Adel, B Hassanein, Ahmed, Ismail, Amira, Elsawy, Rana, Mamdouh, Mohamed, Mabrouk, Lopna Ahmed Mohamed Ahmed, Mohamed Hassab Alnaby, Eman, Magdy, Manar, Abd-Elmawla, Marwan, Fahim, Bassant, Mowafy, Moustafa Ibrahim Mahmoud, Meran, Allam, Muhammad, Alkelani, Noran Halim El Gendy, Mariam Saad Aboul-Naga, Reham Alaa El-Din, Alyaa Halim Elgendy, Mohamed, Ismail, Mahmoud, Shalaby, Aya Adel Elsharkawy, Mahmoud Elsayed Moghazy, Khaled Hesham Elbisomy, Hend Adel Gawad Shakshouk, Mohamed Fouad Hamed, Mai Mohamed Ebidy, Mohamed Karkeet (Alexandria Main UniversIty Hospital), Hayam, Ahmed, Israa, Adel, Mohammad Elsayed Omar, Mohamed, Ibrahim, Omar, Ghoneim, Omar, Hesham, Shimaa, Gamal, Karim, Hilal, Omar, Arafa, Sawsan Adel Awad, Menatalla, Salem, Fawzia Abdellatif Elsherif, Nourhan, Elsabbagh, Aboelsoud, Moustafa R., Ahmed Hossam Eldin Fouad Rida, Amr, Hossameldin, Ethar, Hany, Yomna Hosny Asar, Nourhan, Anwar, Mohamed, Gadelkarim, Samar, Abdelhady, Eman Mohamed Morshedy, Reham, Saad, Nourhan, Soliman, Mahmoud Salama (Alexandria Medical Research Institute), Eslam, Ezzat, Arwa, Mohamed, Arwa, Ibrahim, Alaa, Fergany, Sara, Mohammed, Aya, Reda, Yomna, Allam, Hanan Adel Saad, Afnan, Abdelfatah, Aya Mohamed Fathy, Ahmed, El-Sehily, Esraa Abdalmageed Kasem, Ahmed Tarek Abdelbaset Hassan, Ahmed Rabeih Mohammed, Abdalla Gamal Saad, Arij, Ibrahim, Amr, Hassaan, Mohammed Mustafa Mohammed, Ghada, Elhoseny, Mohamed, Magdy, Esraa Abd Elkhalek, Yehia, Zakaria, Tarek, Ezzat, Ali Abo El Dahab, Mohamed, Kelany, Sara, Arafa, Osama Mokhtar Mohamed Hassan, Nermin Mohamed Badwi, Ahmad Saber Sleem, Hussien, Ahmed, Kholoud, Abdelbadeai, Mohamed Abozed Abdullah (Faculty Of Medicine, Zagazig, University), Muhammad Amsyar Auni Lokman, Suraya, Bahar, Anan Rady Abdelazeam, Abdelrahman, Adelshone, Muhammad Bin Hasnan, Athirah, Zulkifli, Siti Nur Alia Kamarulzamil, Abdelaziz, Elhendawy, Aliang, Latif, Ahmad Bin Adnan, Shahadatul, Shaharuddin, Aminah Hanum Haji Abdul Majid, Dina, Al-Marakby, Mohamad Jeffrey Bin Ismail, Elissa Rifhan Mohd Basir, Citra Dewi Mohd Ali, Aya Yehia Ata (Faculty Of Medicine, Tanta, University), Maha, Nasr, Asmaa, Rezq, Ahmed, Sheta, Sherif, Tariq, Abd Elkhalek Sallam, Abdelrhman KZ Darwish, Sohaila, Elmihy, Shady, Elhadry, Ahmed, Farag, Haidar, Hajeh, Abdelaziz, Abdelaal, Amro, Aglan, Ahmed, Zohair, Mahitab, Essam, Omar, Moussa, Esraa, El-Gizawy, Mostafa, Samy, Safia, Ali, Esraa, Elhalawany, Ahmed, Ata, Mohamed El Halawany, Mohamed, Nashat, Samar, Soliman, Alaa, Elazab, Mostada Samy (El-Menshawy General Hospital), Mohamed, A Abdelaziz, Khaled, Ibrahim, Ahmed mohamed Ibrahim, Ammar, Gado, Usama Hantour (Al-Hussein Hospital), Esraa Alm Eldeen, Mohamed Reda loaloa, Arwa, Abouzaid, Mostafa Ahmed Bahaa Eldin, Eman, Hashad, Fathy, Sroor, Doaa, Gamil, Eman Mahmoud Abdulhakeem, Mahmoud, Zakaria, Fawzy, Mohamed, Marwan, Abubakr, Elsayed, Ali, Hesham, Magdy, Menna Tallah Ramadan, Mohamed Abdelaty Mohamed, Salma, Mansour, Hager Abdul Aziz Amin, Ahmed Rabie Mohamed, Mahmoud, Saami, Nada Ahmed Reda Elsayed, Adham, Tarek, Sabry Mohy Eldeen Mahmoud, Islam Magdy El Sayed, Amira, Reda, Martina Yusuf Shawky, Mohammed Mousa Salem, Shahinaz Alaa El-Din, Noha Abdullah Soliman, Muhammed, Talaat, Shahinaz, Alaael-Dein, Ahmed Abd Elmoen Elhusseiny, Noha, Abdullah, Mohammed, Elshaar, Aya AbdelFatah Ibraheem, Hager, Abdulaziz, Mohammed Kamal Ismail, Mona Hamdy Madkor, Mohamed, Abdelaty, Sara Mahmoud Abdel-Kader, Osama Mohamed Salah (Benha Faculty Of Medicine), Mahmoud, Eldafrawy, Ahmed Zaki Eldeeb, Mostafa Mahmoud Eid (October, 6 University Hospital), Attia, Attia, Ayman Shwky (Bab El-Shareia University Hospital), Mohamed Adel Badenjki, Abdelrahman, Soliman, Samaa Mahmoud Al Attar (The Memorial Soaad Kafafi University Hospital), Farrag, Sayed, Fahd Abdel Sabour, Azizeldine, Mohammed G., Muhammad, Shawqi, Abdullah, Hashim, Ahmed, Aamer, Ahmed Mahmoud Abdelraouf, Mahmoud, Abdelshakour, Amal, Ibrahim, Basma, Mahmoud, Mohamed Ali Mahmoud, Mostafa, Qenawy, Rashed, Ahmed M., Ahmed, Dahy, Marwa, Sayed, Shamsedine, Ahmed W., Bakeer, Mohamed, Ahmad, Hasan, Saad, Mahmoud M., Khalil Abdul Bassit (Assiut University Hospital), Nadia Khalid Abd El-Latif, Nada, Elzahed, Ahmed El Kashash, Nada Mohamed Bekhet, Sarah, Hafez, Ahmed, Gad, Mahmoud Elkhadragy Maher, Ahmed Abd Elsameea, Mohamed, Hafez, Ahmad, Sabe, Ataa, Ahmed, Ahmed, Shahine, Khaled, Dawood, Shireen, Gaafar, Reem, Husseiny, Omnia, Aboelmagd, Ahmed, Soliman, Nourhan, Mesbah, Hossam, Emadeldin, Amgad Al Meligy, Amira Hassan Bekhet, Doaa, Hasan, Khaled, Alhady, Ahmad Khaled Sabe, Elnajjar, Mahmoud A., Majed, Aboelella, Ward, Hamsho, Ihab, Hassan, Hala, Saad, Galaleldin, Abdelazim, Hend, Mahmoud, Noha, Wael, Ahmedali, M Kandil, Ahmed, Magdy, Shimaa Said Elkholy, Badr Eldin Adel, Kareem, Dabbour, Saged, Elsherbiney, Omar, Mattar, Abdulshafi Khaled Abdrabou, Mohammed Yahia Mohamed Aly, Abdelrahman, Geuoshy, Ahmedglal, Elnagar, Saraibrahim, Ahmed, Ibrahem, Abdelmotaleb, Amr Ahmed Saleh, Manar, Saeed, Shady, Mahmoud, Badreldin Adel Tawfik, Samar Adel Ismail, Esraay, Zakaria, Gad‏, Mariam O., Mohamed Salah Elhelbawy, Monica, Bassem, Noha, Maraie, Nourhan Medhat Elhadary, Nourhan, Semeda, Shaza Rabie Mohamed, Hesham Mohammed Bakry, AA Essam (Kasr Al-Ainy Faculty Of Medicine, Cairo, University), Dina, Tarek, Khlood, Ashour, Alaa, Elhadad, Abdulrahman, Abdel-Aty, Ibrahim, Rakha, Sara Mamdouh Matter, Rasha, Abdelhamed, Omar, Abdelkader, Ayat, Hassaan, Yasmin, Soliman, Amna, Mohamed, Sara Amr Mohamed Farouk, Eman Mohamed Ibrahim, Esraa El-Taher (Faculty Of Medicine Seuz Canal University), Merna, Mostafa, Mohamed Fawzy Mahrous Badr, Rofida, Elsemelawy, Aya, El-Sawy, Ahmad, Bakr, Ahmad Abdel Razaq Al Rafati (Smouha University Hospital), Estonia: Sten Saar, Arvo, Reinsoo, Peep Talving (The North Estonia Medical Centre), Ethiopia: Nebyou Seyoum, Tewodros, Worku, Agazi Fitsum (Addis Ababa University, College Of Health Sciences, School Of Medicine), Finland: Matti Tolonen, Ville Sallinen (Helsinki University Hospital), France: Benoît Parmentier, Matthieu, Peycelon, Sabine Irtan (Trousseau Hospital, APHP), Sabrina Dardenne, Elsa Robert (GHICL), Betty, Maillot, Etienne, Courboin, Alexis Pierre Arnaud, Juliette Hascoet (CHU Rennes), Amir Ait Kaci, Thomas Prudhomme (CHU Toulouse), Quentin, Ballouhey, Céline, Grosos, Laurent Fourcade (CHU Limoges), Tolg, Cecilia, Colombani, Jean-Francois, Francois-Coridon Helene (CHU Martinique), Xavier Delforge, Elodie Haraux (CHU Amiens Picardie), Bertrand, Dousset, Roberto, Schiavone, Sebastien Gaujoux (Cochin, - APHP), Jean-Baptiste, Marret, Aurore, Haffreingue, Julien Rod (CHU Caen), Mariette Renaux-Petel (CHU Rouen), Jean-François, Lecompte, Jean, Bréaud, Pauline Gastaldi (CHU Lenval Nice), Chouikh, Taieb, Raquillet, Claire, Echaieb Anis (Hopital Robert Ballanger, Paris), Nasir, Bustangi, Manuel, Lopez, Aurelien Scalabre (CHU De Saint Etienne), Maria Giovanna Grella (CHU Poitiers), Aurora, Mariani, Guillaume, Podevin, Françoise Schmitt (CHU Angers), Aline, Broch, Cecile Muller (Hopital Necker Enfants Malades, Ghana: Stephen Tabiri, APHP)., Dickson, Bandoh, Francis, Abantanga, Martin, Kyereh, Hamza, Asumah, Eric Kofi Appiah, Paul Wondoh (Tamale Teaching Hospital), Adam, Gyedu, Charles, Dally, Kwabena, Agbedinu, Michael, Amoah, Abiboye Yifieyeh (Kwame Nkrumah University of Science and Technology/Komfo Anokye Teaching Hospital), Particks Hospital), Frank Owusu (St., Mabel, Amoako-Boateng, Makafui, Dayie, Richmond, Hagan, Sam Debrah (Cape Coast Teaching Hosital), Micheal, Ohene-Yeboah, Joe-Nat, Clegg-Lampety, Victor, Etwire, Jonathan, Dakubo, Samuel, Essoun, William, Bonney, Hope, Glover-Addy, Samuel, Osei-Nketiah, Joachim, Amoako, Niiarmah, Adu-Aryee, William, Appeadu-Mensah, Antoinette, Bediako-Bowan, Florence Dedey (Korle Bu Teaching Hospital), Mattew, Ekow, Emmanuel, Akatibo, Musah Yakubu (Baptist Medical Center, Nalerigu), Hope Edem Kofi Kordorwu, Kwasi, Asare-Bediako, Enoch Tackie (Keta Hospital District Hospital, Keta), Kenneth, Aaniana, Emmanuel, Acquah, Richard, Opoku-Agyeman, Anthony, Avoka, Kwasi, Kusi, Kwame Maison (Techiman Holy Family Hospital), Frank Enoch Gyamfi (Berekum Holy Family Hospital), Gandau Naa Barnabas, Saiba Abdul-Latif (Upper West Regional Hospital), Philip Taah Amoako (Samapa Government Hospital), Anthony Davor, Victor Dassah (Upper East Regional Hospital), Mary's Hospital), Enoch Dagoe (St., Prince Kwakyeafriyie (Essumejaman Sda Hospital, Dominase), Elliot, Akoto, Eric, Ackom, Ekow Mensah (Dormaa Presbyterian Hospital), Ebenezer Takyi Atkins, Christian Lari Coompson (Brongho-Ahafo Regional Hospital, Sunyani) Greece: Nikolaos Ivros, Christoforos, Ferousis, Vasileios, Kalles, Christos, Agalianos, Ioannis, Kyriazanos, Christos, Barkolias, Angelos, Tselos, Georgios, Tzikos, Evangelos Voulgaris (Naval And Veterans Hospital), Dimitrios, Lytras, Athanasia, Bamicha, Kyriakos Psarianos (Achillopoyleio General Hospital Of Volos), Anastasios Stefanopoulos (General Hospital Of Nafplio, Department Of Surgery), Ioannis, Patoulias, Dimitrios, Sfougaris, Gennimatas Hospital), Ioannis Valioulis (G., Dimitrios, Balalis, Dimitrios, Korkolis, Dimitrios, K Manatakis (Saint Savvas Cancer Hospital), Georgios, Kyrou, Georgios, Karabelias, Iason-Antonios Papaskarlatos (General And Oncological Hospital Of Kifissia-Athens), Kolonia, Konstantina, Nikolaos, Zampitis, Stylianos Germanos (General Hospital Of Larissa), Aspasia, Papailia, Theodosios, Theodosopoulos, Georgios Gkiokas (2nd Dept Of Surgery, Aretaieion, Hospital, National, &amp, Kapodistrian University Of Athens School Of Medicine), Magdalini, Mitroudi, Christina, Panteli, Thomas, Feidantsis, Gennimatas General Hospital), Konstantinos Farmakis (G., Dimitrios, Kyziridis, Orestis, Ioannidis, Styliani Parpoudi (4th Surgical Department, Aristotle University Of Thessaloniki, General, Hospital, Papanikolaou), Georgios Gemenetzis, Stavros Parasyris (Attikon University Hospital), Michail Margaritis (Serres General Hospital), Guatemala: Maria-Lorena Aguilera-Arevalo, Otto, Coyoy-Gaitan, Javier Rosales (Hospital General San Juan De Dios), Luis, Tale, Emmanuel Barrios (Juan Josè Arevalo Bermejo), Servio Tulio Torres Rodriguez, Carlos Paz Galvez, Danilo Herrera Cruz (Hospital San Vicente), Guillermo Sanchez Rosenberg, Alejandro, Matheu, David Monterroso Cohen (Hospital Herrera Llerandi), Haiti: Marie Paul, Angeline Charles (Hopital Universitaire De Mirebalais), Hong Kong SAR, China: Justin Chak Yiu Lam, Man Hon Andrew Yeung, Chi Ying Jacquelyn Fok, Ka Hin Gabriel Li, Anthony Chuk-Him Lai, Yuk Hong Eric Cheung, Hong Yee Wong, Ka Wai Leung, Tien Seng Bryan Lee, Wai Him Lam, Weihei, Dao, Stephanie Hiu-wai Kwok, Tsz-Yan Katie Chan, Yung Kok Ng, TWC Mak (Prince Of Wales Hospital), Qinyang, Liu, Chi Chung Foo, James Yang (University Of Hong Kong), India: Basant Kumar, Ankur, Bhatnagar, Vijaid Upadhyaya (Sanjay Gandhi Post Graduate Institute Of Medical Sciences), Sunil Kumar (Excelcare Hospital), Uday, Muddebihal, Wasim, Dar, KC Janardha (Manipal Hospital), Philip Alexander, Neerav Aruldas (Lady Willingdon Hospital), Indonesia: Fidelis Jacklyn Adella, Anthonius Santoso Rulie, Ferdy, Iskandar, Jonny Setiawan (Atma Jaya Hospital), Cicilia Viany Evajelista, Hani, Natalie, Oen Surakarta Hospital), Arlindawati Suyadi (Dr., Rudy, Gunawan, Herlin, Karismaningtyas, Lusi Padma Sulistianingsih Mata, Ferry Fitriya Ayu Andika, Afifatun, Hasanah, T Ariani Widiastini, Nurlaila Ayu Purwaningsih, Annisa Dewi Fitriana Mukin, Dina Faizatur Rahmah, Hazmi Dwinanda Nurqistan, Hasbi Maulana Arsyad, Novia Adhitama (Rsd Dr Soebandi), Wifanto Saditya Jeo, Nathania, Sutandi, Audrey, Clarissa, Phebe Anggita Gultom, Matthew, Billy, Andreass, Haloho, Nadya, Johanna, Felix Lee (Rsupn Cipto Mangunkusumo), Ireland: Radin Mohd Nurrahman Radin Dorani, Martha, Glynn, Mohammad, Alherz, Wennweoi, Goh, Shiwani, Haaris A., Lorraine, Sproule, Conlon (Tallaght Hospital, Kevin C., Trinity College Dublin) Israel: Miklosh Bala, Asaf Kedar (Hadassah Hebrew University Medical Center), Italy: Luca Turati, Federica, Bianco, Francesca Steccanella (Treviglio Hospital), Gaetano, Gallo, Mario, Trompetto, Giuseppe Clerico (Department of Colorectal Surgery, Rita Clinic, S., Vercelli), Matteo, Papandrea, Giuseppe, Sammarco, Rosario Sacco (Department of Medical and Surgical Sciences, Policlinico Universitario Mater Domini Campus Salvatore Venuta, Catanzaro), Luisa Giavarini (Sant'Antonio Abate Hospital, Mariano Cesare Giglio, Luigi, Bucci, Gianluca, Pagano, Viviana, Sollazzo, Roberto, Peltrini, Gaetano Luglio (Federico II University Of Naples), Arianna, Birindelli, Gregorio Tugnoli (Maggiore Hospital), Pietro, Mingrone, Domenica Pata (Nicola Giannettasio Hospital, Rossano), Francesco, Selvaggi, Lucio, Selvaggi, Gianluca, Pellino, Natale Di Martino (Universitá della Campania 'Luigi Vanvitelli', Naples), Gianluca, Curletti, Paolo, Aonzo, Raffaele Galleano (Ospedale Santa Corona, Pietra Ligure (SV)), Stefano, Berti, Elisa, Francone, Andrea Hospital, Silvia Boni (S., Poll-Asl, 5, Spezia), La, Lorenzon, Laura, Annalisa lo Conte, Genoveffa Balducci (Sant’Andrea Hospital, Sapienza University of Rome), Gianmaria Confalonieri, Giovanni Pesenti (Azienda Ospedaliera Alessandro Manzoni), Laura, Gavagna, Giorgio, Vasquez, Simone, Targa, Savino, Occhionorelli, Dario Andreotti (Azienda Ospedaliero-Universitaria Di Ferrara), Andrea, Armellini, Spedali Civili Di Brescia), Deborah Chiesa (A. O., Fabrizio, Aquilino, Nicola, Chetta, Arcangelo Picciariello (Azienda Ospedaliero Universitaria Consorziale Policlinico Di Bari), Mohamed, Abdelkhalek, Andrea, Belli, Silvia De Franciscis (Istituto Nazionale Tumori Fondazione, Pascale-, I. R. C. C. S. )., Annamaria, Bigaran, Alessandro, Favero, 5 Friuli Occidentale), Stefano M. M Basso (Azienda Per L'assistenza Sanitaria N., Paola, Salusso, Martina, Perino, Sylvie, Mochet, Diego, Sasia, Francesco, Riente, Marco Migliore (Azienda Sanitaria Ospedaliera San Luigi Gonzaga), David, Merlini, Silvia, Basilicò, Carlo Corbellini (Ospedale Di Rho, - ASST Rhodense), Veronica, Lazzari, Luigi Bonavina (IRCCS Policlinico, University of Milano, San, Donato), Daniele, Angelieri, Diego, Coletta, Federica, Falaschi, Marco, Catani, Claudia, Reali, Mariastella, Malavenda, Celeste Del Basso, Sergio, Ribaldi, Massimo, Coletti, Andrea, Natili, Norma, Depalma, Immacolata, Iannone, Angelo, Antoniozzi, Davide Rossi (Policlinico Umberto, I Emergency Surgery Department), Daniele, Gui, Gerardo, Perrotta, Matteo, Ripa, Francesco Ruben Giardino, Maurizio Foco (Fondazione Policlinico Universitario Agostino Gemelli), Erika, Vicario, Gabriela Elisa Nita (AO Papa Giovanni XXIII), Nicoletta, Leone, Anna Maffioli (Ospedale Sacco), Andrea, Simioni, Davide De Boni, Sandro Pasquali (IOV, - Istituto Oncologico Veneto), Elena, Goldin, Elena, Vendramin, Eleonora Ciccioli (Azienda Ospedaliera di Padova), Umberto, Tedeschi, Paola, Violi, Tommaso, Campagnaro, Simone, Conci, Giovanni, Lazzari, Calogero, Iacono, Alfredo, Gulielmi, Serena Manfreda (Azienda Ospedaliera Universitaria Integrata di Verona), Anna, Rinaldi, Maria Novella Ringressi, Beatrice Brunoni (Azienda Ospedaliera Universitaria Careggi), Giuseppe, Salamone, Mirko, Mangiapane, Paolino De Marco, Antonella La Brocca, Roberta, Tutino, Vania, Silvestri, Leo, Licari, Tommaso, Fontana, Nicolò, Falco, Gianfranco Cocorullo (Policlinico Paolo Giaccone di Palermo), Mostafa, Shalaby, Pierpaolo, Sileri, Claudio Arcudi (Policlinico Tor Vergata Hospital, Rome) Jordan: Isam Bsisu, Khaled, Aljboor, Lana, Abusalem, Aseel, Alnusairat, Ahmad, Qaissieh, Emad, Al-Dakka, Ali, Ababneh, Oday Halhouli (Jordan University Hospital), Kenya: Taha Yusufali, Hussein Mohammed (Kenyatta National Hospital), Justus, Lando, Robert, Parker, Wairimu Ndegwa (Tenwek Hospital), Lithuania: Mantas Jokubauskas, Jolanta, Gribauskaite, Donatas Venskutonis (Lithuanian University Of Health Sciences), Justas, Kuliavas, Audrius, Dulskas, Samalavicius (Klaipeda University Hospital, Narimantas E., National Cancer Institute), Kristijonas, Jasaitis, Audrius, Parseliunas, Viktorija, Nevieraite, Evelina, Slapelyte, Edvinas, Dainius, Zilvinas, Dambrauskas, Andrejus, Subocius, Linas, Venclauskas, Antanas, Gulbinas, Simona, Kasputyte, Deimante, Mikuckyte, Mindaugas, Kiudelis, Tomas, Jankus, Steponas Petrikenas (Lithuanian University of Health Sciences), Matas, Pažuskis, Zigmantas, Urniežius, Mantas Vilčinskas (Republican Hospital of Kaunas), Vincas Jonas Banaitis, Vytautas, Gaižauskas, Edvard, Grisin, Povilas, Mazrimas, Mantas, Drungilas, Karolis, Lagunavicius, Vytautas, Lipnickas, Dovilè, Majauskyté, Tomas, Abaliksta, Laimonas, Uščinas, Gintaras, Simutis, Adomas, Ladukas, Donatas, Danys, Erikas, Laugzemys, Elena Zdanyte Sruogiene (Vilnius University Hospital), Petras, Višinskas, Reda, Žilinskienė, Deividas Dragatas (Hospital Of Jonava), Andrius Burmistrovas, Zygimantas Tverskis (Taurage Hospital), Arturas, Vaicius, Ruta, Mazelyte, Antanas Zadoroznas (Viesoji Istaiga Rokiskio Rajono Ligonine), Nerijus Kaselis, Greta Žiubrytė (Republican Hospital Of Klaipeda), Madagascar: Finaritra Casimir Fleur Prudence Rahantasoa, Luc Hervé Samison, Fanjandrainy, Rasoaherinomenjanahary, Todisoa Emmanuella Christina Tolotra (Joseph Ravoahangy Andrianavalona Hospital), Malawi: Cornelius Mukuzunga, Vanessa, Msosa, Chimwemwe, Kwatiwani, Nelson Msiska (Kamuzu Central Hospital), Malaysia: Feng Yih Chai, Siti Mohd Desa Asilah, Khuzaimah Zahid Syibrah (Hospital Keningau), Pui Xin Chin, Nur Zulaika Riswan (Kajang Hospital), Hoong-Yin, Chong, Nora Abdul Aziz, Keat-Seong, Poh, Chu-Ann, Chai, Sandip Kumar (University Malaya Medical Centre), Mustafa Mohammed Taher, Dayang Nita Abdul Aziz, Reynu Rajan (Universiti Kebangsaan Malaysia Medical Centre UKMMC), Rokayah, Julaihi, Durvesh Lacthman Jethwani, Muhammad Taqiyuddin Yahaya, Nik Azim Nik Abdullah, Susan Wndy Mathew, Kuet Jun Chung, Milaksh Kumar Nirumal, Goh Ern Tze, R., Syed Abdul Wahhab Eusoffee Wan Ali (Sarawak General Hospital), Yiing Yee Gan, Jesse Ron Swire Ting (Hospital Sibu), Sii, Samuel S. Y., Kean Leong Koay, Yi Koon Tan, Alvin Ee Zhiun Cheah, Chui Yee Wong, Tuan Nur'Azmah Tuan Mat, Crystal Yern Nee Chow, Har, Prisca A. L., Yishan Der (Hospital Sultanah Aminah), Yong Yong Tew, Fitjerald, Henry, Xinwei Low (Selayang Hospital), Ya Theng Neo, Hian Ee Heng, Shu Ning Kong, Cheewei, Gan, Yi Ting Mok, Yee Wen Tan, Kandasami, Palayan, Mahadevan Deva Tata, Yih Jeng Cheong (Hospital Tuanku Ja'afar), Kuhaendran, Gunaseelan, Wan Nurul 'Ain Wan Mohd Nasir, Pigeneswaren Yoganathan (Hospital Keningau), Eu Xian Lee, Jian Er Saw, Li Jing Yeang, Pei Ying Koh, Shyang Yee Lim, Shuang Yi Teo (Hospital Pulau Pinang, / Penang Medical College), Malta: Nicole Grech, Daniela, Magri, Kristina, Cassar, Christine, Mizzi, Malcolm, Falzon, Nihaal, Shaikh, Ruth, Scicluna, Stefan, Zammit, Sean, Mizzi, Svetlana Doris Brincat, Thelma, Tembo, Vu Thanh Hien Le, Tara, Grima, Keith, Sammut, Kurt, Carabott, Ciskje, Zarb, Andre, Navarro, Thea, Dimech, Georgette Marie Camilleri, Isaac, Bertuello, Jeffrey, Dalli, Karl Bonavia (Mater Dei Hospital), Mexico: Samantha Corro-Diaz, Marisol, Manriquez-Reyes, Antonio Ramos-De la Medina (Hospital Español de Veracruz), Morocco: Amina Abdelhamid, Abdelmalek, Hrora, Sarah, Benammi, Houda, Bachri, Meryem, Abbouch, Khaoula, Boukhal, Redouane Mammar Bennai, Abdelkader, Belkouchi, Mohamed Sobhi Jabal, Chaymae Benyaiche (IBN Sina Hospital) Netherlands: Maarten Vermaas, Lucia Duinhouwer (Ijsselland Hospital) Nicaragua: Javier Pastora, Greta, Wood, Maria Soledad Merlo (Hospital Escuela Oscar Danilo Rosales Arguello), Nigeria: Akinlabi Ajao, Omobolaji, Ayandipo, Taiwo, Lawal, Abdussemiu Abdurrazzaaq (University College Hospital, Ibadan), Muslimat, Alada, Abdulrasheed, Nasir, James, Adeniran, Olufemi, Habeeb, Ademola Adeyeye (University Of Ilorin Teaching Hospital, Ilorin), Ademola, Adebanjo, Adewale Adeniyi (Federal Medical Centre, Abeokuta, ), Henry, Mendel, Bashir, Bello, Umar Muktar (Usmanu Danfodiyo University Teaching Hospital), Thomas Olagboyega Olajide, Oyindamola, Oshati, George, Ihediwa, Babajide, Adenekan, Victor, Nwinee, Abdulrazzaq, Lawal, Chris, Bode, Mojolaoluwa Olugbemi (Lagos University Teaching Hospital), Oluwatomi, Odutola, Oluwaseyi, Adebola, Clement, Onuoha, Fatai, Balogun, Olalekan, Ajai, Iloba, Njokanma, Roland Osuoji (Lagos State University Teaching Hospital), Stephen, Kache, Jonathan, Ajah, Jerry Makama (Barau Dikko Teaching Hospital, Kaduna State University, Kaduna), Ahmed, Adamu, Suleiman, Baba, Mohammad, Aliyu, Shamsudeen, Aliyu, Yahaya, Ukwenya, Halima, Aliyu, Tunde, Sholadoye, Muhammad, Daniyan, Oluseyi Ogunsua (Ahmadu Bello University Teaching Hospital Zaria), Abdurrahaman, Sheshe, Aminu Mohammad (Aminu Kano Teaching Hospital), Samson, Olori, Philip, Mshelbwala, Garba, Samson, Oyediran Kehinde Timothy, Sani Ali Samuel (University Of Abuja Teaching Hospital, Anthony, Ajiboye, Isaac, Amole, Olajide, Abiola, Akin Olaolorun (Bowen University Teaching Hospital), Norway: Kjetil Søreide, Torhild, Veen, Arezo, Kanani, Kristian, Styles, Ragnar, Herikstad, Johannes Wiik Larsen, Jon Arne Søreide (Stavanger University Hospital), Elisabeth, Jensen, Mads, Gran, Eirik Kjus Aahlin (University Hospital Of Northern Norway), Tina, Gaarder, Peter Wiel Monrad-Hansen, Pål Aksel Næss (Oslo University Hospital), Giedrius, Lauzikas, Joachim, Wiborg, Silje Holte (Sykehuset Telemark HF), Knut Magne Augestad, Gurpreet Singh Banipal, Thomas Tetens Moe, Johannes Kurt Schultz (Akershus University Hospital), Palestine: Taher Al-taher, Ayah, Hamdan, Ayman, Salman, Rana, Saadeh, Aseel, Musleh, Dana, Jaradat, Soha, Abushamleh, Sakhaa, Hanoun, Amjad Abu Qumbos, Aseel, Hamarshi, Ayman And Taher (Al Makassed Islamic Charitable Society Hospital, Jerusalem), Israa, Qawasmi, Khalid, Qurie, Marwa, Altarayra, Mohammad, Ghannam, Alaa, Shaheen, Azher Herebat (Alia Governmental Hospital), Aram, Abdelhaq, Ahmad, Shalabi, Maram, Abu-toyour, Fatema, Asi, Ala, Shamasneh, Anwar, Atiyeh, Mousa, Mustafa, Rula, Zaa'Treh, Majd Dabboor (Palestine Medical Complex), Enas, Alaloul, Heba, Baraka, Jehad, Meqbil, Alaa, Al-Buhaisi, Mohamedraed, Elshami, Samah, Afana, Sahar, Jaber, Said, Alyacoubi, Yousef Abuowda (Islamic University of Gaza Medical School, European Gaza Hospital &amp, Shifa, Hospital), Tasneem Idress, Eman Abuqwaider (Mizan hospital), Sara, Al-saqqa, Alaa, Bowabsak, Alaa El Jamassi, Doaa, Hasanain, Hadeel, Al-farram, Maram, Salah, Aya, Firwana, Marwa, Hamdan, Israa Awad (Al-Shifa Hospital), Ahmad Ashour, Fayez Elian Al Barrawi (Bit Hanoun Hospital), Ahmed, Al-khatib, Maha, Al-faqawi, Mohamed Fares (Nasser Hospital), Amjad, Elmashala, Mohammad, Adawi, Ihdaa Adawi (Beit Jala Governmental Hospital), Reem, Khreishi, Rose Khreishi (Martyr Thabet Govermental hospital, Tulkarem), Ahmad, Ashour, Ahed Ghaben (Indonesian Hospital, Gaza) Pakistan: Najwa Nadeem, Muhammad Saqlain (Allied Hospital, Faisalabad), Jibran, Abbasy, Abdul Rehman Alvi, Tanzeela, Gala, Noman Shahzad (Aga Khan University), Kamran Faisal Bhopal, Muhammad Talha Butt, Syed Asaat ul Razi, Asdaq, Ahmed, Ali Khan Niazi (Bahawal Victoria Hospital), Ibrahim, Raza, Fatima, Baluch, Ahmed, Raza, Ahmad, Bani-Sadar, Muhammad, Adil, Awais Raza (King Edward Medical University, Mayo, Hospital, Lahore), Mahnoor, Javaid, Muhammad, Waqar, Maryam Ali Khan (CMH Lahore Medical And Dental College), Mohammad Mohsin Arshad, Mohammadasim Amjad (Nishtar Medical College And Hospital), Paraguay: Gustavo Miguel Machain Vega, Jorge Torres Cardozo, Marcelo O´Higgins Roche, Gustavo Rodolfo Pertersen Servin, Helmut Alfredo Segovia Lohse, Larissa Ines Páez Lopez, Ramón Augusto Melo Cardozo (Hospital de Clínicas, II Cátedra de Clínica Quirúrgica, Universidad Nacional de Asunción) Peru: Fernando Espinoza, Angel David Pérez Rojas, Diana, Sanchez, Camila Sanchez Samaniego, Shalon Guevara Torres, Alexander Canta Calua, Cesar, Razuri, Nadia, Ortiz, Xianelle, Rodriguez, Nahilia, Carrasco, Fridiz, Saravia, Hector Shibao Miyasato, María, Valcarcel-Saldaña, Ysabel Esthefany Alejos Bermúdez, Juan, Carpio, Walter Ruiz Panez, Pedro Angel Toribio Orbegozo (Hospital Nacional Arzopispo Loayza), Carolina Guzmán Dueñas, Kevin Turpo Espinoza, Ana Maria Sandoval Barrantes, Jorge Armando Chungui Bravo, Lorena, Fuentes-Rivera, Carmen, Fernández, Bárbara, Málaga, Joselyn Ye (Hospital Cayetano Heredia), Ricardo Velasquez, Jannin Salcedo (Clínica De Especialidades Médicas), Ana Lucia Contreras-Vergara, Angelica Genoveva Vergara Mejia, Maria Soledad Gonzales Montejo (Hospital Nacional Guillermo Almenara Irigoyen), Marilia Del Carmen Escalante Salas, Willy Alcca Ticona, Marvin, Vargas, George Christian Manrique Sila, Robinson, Mas, Arazzelly del Pilar Paucar (Hospital Regional De Ayacucho), Armando José Román Velásquez, Alina, Robledo-Rabanal, Ludwing Alexander Zeta Solis (Hospital III José Cayetano Heredia), Kenny Turpo Espinoza (Hospital Nacional Maria Auxiliadora), José Luis Hamasaki Hamaguchi, Erick Samuel Florez Farfan, Linda Alvi Madrid Barrientos, Juan Jaime Herrera Matta (Hospital De Policia), Mora, Philippines: John Jemuel V., Redota, Menold Archee P., Manuel Francisco Roxas, Maño (The Medical City), Maria Jesusa B., Marie Dione Parreno-Sacdalan, Christel Leanne Almanon (Department Of Surgery, Philippine General Hospital, University Of The Philippines Manila), Poland: Maciej Walędziak, Rafał, Roszkowski, Michał Janik (Department Of General, Oncological, Metabolic And Thoracic Surgery, Military Institute Of Medicine, Warsaw), Anna, Lasek, Piotr, Major, Dorota, Radkowiak, Mateusz Rubinkiewicz (2nd Department Of Surgery, Jagiellonian University Medical College), Portugal: Cristina Fernandes, Renato Melo (Centro Hospitalar De São João), Romania: Liviu Muntean, Aurel Sandu Mironescu, Lucian Corneliu Vida (Spitalul Clinic De Copii Brasov), Amar Kourdouli, Mariuca Popa (Spital Judetean De Urgenta Din Craiova), Hogea Mircea (Spitalul Clinic Judetean Brasov), Mihaela, Vartic, Bogdan, Diaconescu, Matei Razvan Bratu, Ionut, Negoi, Cezar Ciubotaru (Emergency Hospital of Bucharest), Allen Ingabire, Rwanda: J. C., Norbert Uzabumwana (University Teaching Hospital Of Kigali), Dieudonne Duhoranenayo (Kibungo Hospital), San Marino: Elio Jovine, Nicola, Zanini, Giovanni Landolfo (San Marino State Hospital), Saudi Arabia: Murad Aljiffry, Faisal, Idris, Alghamdi, Mohammed Saleh A., Ashraf, Maghrabi, Aroub, Alkaaki, Sondos Turkustani (Department of Surgery, King Abdulaziz University Hospital, Jeddah) Eyad Khalifah, Adel, Albiety, Sarah, Sahel, Reham, Alshareef, Mohammed Najjar (Department of Surgery, King Abdulaziz University Hospital and Oncology Center, Jeddah) Ahmed Alzahrani, Ahmed, Alghamdi, Wedyan Alhazmi (King Fahad Hospital, Jeddah) Ghiath Al Saied, Mohammed, Alamoudi, Muhammed Masood Riaz (King Fahad Medical City, Mazen, Hassanain, Basmah, Alhassan, Abdullah, Altamimi, Reem, Alyahya, Norah Al Subaie, Fatema Al Bastawis, Roaa Khan (King Khaled University Hospital), Serbia: Milan Radojkovic, Ljiljana, Jeremic, Milica Nestorovic (Clinic For General Surgery, Clinical Center Nis), Singapore: Jia Hao Law, Keith Say Kwang Tan, Ryan Choon Kiat Tan, Joel Kin Tan, Lau Wen Liang Joel, Bettina, Lieske, Xue Wei Chan, Faith Qi Hui Leong, Choon Seng Chong, Sharon, Koh, Kai Yin Lee, Kuok Chung Lee (National University Hospital) South Africa: Kent Pluke, Britta, Dedekind, Puyearashid, Nashidengo, Mark Ian Hampton (Victoria Hospital Wynberg), Johanna, Joosten, Sanju, Sobnach, Liana, Roodt, Anthony, Sander, James, Pape, Richard Spence (Groote Schuur), Niveshni Maistry (Charlotte Maxeke Johannesburg Academic Hospital), Phumudzo, Ndwambi, Kamau, Kinandu, Myint Tun (Leratong Hospital), Frederick Du Toit, Quinn, Ellison, Sule, Burger, Grobler, Dc, Lawrence Bongani Khulu (Tembisa Tertiary Provincial Hospital), Rachel, Moore, Vicky, Jennings, Astrid Leusink (Chris Hani Baragwanath Academic Hospital), Nazmie, Kariem, Juan, Gouws, Kathryn, Chu, Heather, Bougard, Fazlin, Noor, Angela Dell (New Somerset Hospital), Stephanie Van Straten (Helen Joseph Hospital, University Of Witwatersrand), Arvin, Khamajeet, Serge Kapenda Tshisola, Kalangu Kabongo (Stanger Hospital), Yoshan, Moodley, Frank, Anderson, Thandinkosi Madiba (Inkosi Albert Luthuli Central Hospital), Flip du Plooy (Mediclinic Potchefstroom), Leila, Hartford, Gareth, Chilton, Parveen Karjiker (Mitchell's Plain District Hospital), Matlou Ernest Mabitsela, Sibongile Ruth Ndlovu (Dr George Mukhari Academic Hospital), Maria Badicel, Robert Jaich (Milpark Hospital) Spain: Jaime Ruiz-Tovar (University Hospital Rey Juan Carlos), Luis, Garcia-Florez, Otero-Díez, Jorge L., Virginia Ramos Pérez, Nuria Aguado Suárez (Hospital Universitario San Agustín), Javier Minguez García, Sara Corral Moreno, Maria Vicenta Collado, Virginia Jiménez Carneros, Javier García Septiem (Hospital Universitario de Getafe), Mariana, Gonzalez, Antonio, Picardo, Enrique, Esteban, Esther, Ferrero, Irene Ortega (Infanta Sofía University Hospital), Eloy, Espin-Basany, Ruth, Blanco-Colino, Valeria Andriola (Hospital Valle De Hebron), Elisa, Contreras, Carmen García Bernardo, Sandra, Sanz, Alberto Miyar de León, Asnel, Dorismé, Joseluis, Rodicio, Aida, Suarez, Jessica, Stuva, Tamara Diaz Vico (Central University Hospital Of Asturias), Laura, Fernandez-Vega, Carla, Soldevila-Verdeguer, Fatima, Sena-Ruiz, Natalia, Pujol-Cano, Paula, Diaz-Jover, José Maria Garcia-Perez, Juan Jose Segura-Sampedro, Cristina, Pineño-Flores, David, Ambrona-Zafra, Andrea, Craus-Miguel, Patricia, Jimenez-Morillas, Angela Mazzella (Hospital Universitario Son Espases), B Jayathilake, Sri Lanka: A., Thalgaspitiya, S. P. B., Wijayarathna, L. S., Wimalge (University Surgical Unit, P. M. S. N., Teaching Hospital Anuradhapura), Kitts And Nevis: Hakeem Ayomi Sanni, St., Aliyu, Ndajiwo, Ogheneochuko Okenabirhie (Joseph, N France Hospital) Sudan: Anmar Homeida, Abobaker, Younis, Omer Abdelbagi Omer, Mustafa, Abdulaziz, Ali, Mussad, Ali Adam (University of Gezira), Sweden: Yucel Cengiz, Ida, Björklund, Sandra Ahlqvist (Sundsvall Hospital), Anders Thorell, Fredrik Wogensen (Ersta Hospital), Arestis Sokratous, Michaela Breistrand (Mora Hospital), Hildur Thorarinsdottir (Helsingborgs Lasarett), Johanna, Sigurdadottir, Maziar, Nikberg, Abbas Chabok (Västmanlands Hospital Västerås), Maria Hjertberg (Department Of Surgery And Department Of Clinical And Experimental Medicine, Linköping, University, Norrköping, Sweden), Peter, Elbe, Deborah, Saraste, Wiktor, Rutkowski, Louise Forlin (Karolinska Universitetssjukhuset, Solna), Karoliina, Niska, Malin Sund (Umea University Hospital) Switzerland: Dennis Oswald, Georgios, Peros, Rafael, Bluelle, Katharina, Reinisch, Daniel, Frey, Adrian Palma (Gzo Spital Wetzikon), Lucius, Zumbühl, Markus Zuber (Kantonsspital Olten), Roger Schmid, Gabriela Werder (Buergerspital Solothurn), Antonio, Nocito, Silke Mahanty (Kantonsspital Baden), Lukas Werner Widmer, Julia, Müller, Alissa Gübeli (Hospital Davos), Grzegorz Zuk (Gzo Spital Wetzikon), Turkey: Osman Bilgin Gulcicek, Yuksel, Altinel, Talar Vartanoglu (Bagcilar Research And Training Hospital), Emin, Kose, Servet Rustu Karahan, Mehmet Can Aydin (Okmeydanı Training And Research Hospital), Nuri Alper Sahbaz, Ilkay, Halicioglu, Sadi Konuk Training And Research Hospital), Halil Alis (Bakirkoy Dr., Ipek, Sapci, Can, Adıyaman, Ahmet Murat Pektaş, Turgut Bora Cengiz, Ilkan, Tansoker, Vedatcan, Işler, Muazzez, Cevik, Deniz, Mutlu, Volkan, Ozben, Berk Baris Ozmen, Sefa, Bayram, Sinem, Yolcu, Berna Buse Kobal, Ömer Faruk Toto, Haluk Cem Çakaloğlu (Acibadem University School of Medicine, Atakent, Hospital), Kagan, Karabulut, Vahit, Mutlu, Bahar Busra Ozkan (Ondokuz Mayis University Medical Faculty), Saban, Celik, Anil, Semiz, Selim, Bodur, Enisburak, Gül, Busra, Murutoglu, Reyyan, Yildirim, Bahadir Emre Baki, Ekin, Arslan, Mehmet, Ulusahin, Ali Guner (Karadeniz Technical University Faculty Of Medicine), United Kingdom: Nathan Walker, Nikhita, Shrimanker, Simon Cole (Royal United Hospital Bath), Ryan Breslin, Ravi Srinivasan (Blackpool Victoria Hospital), Kristina, Hunter, Ahmed Al-Bahrani (Watford General Hospital), Nora Grace Mairs, Alistair, Rocke, Lachlan, Dick, Mobeen Qureshi (Inverclyde Royal Hospital), Debkumar Chowdhury (University Hospital Ayr), Naomi, Wright, Clare, Skerritt, Thomas' Hospitals), Dorothy Kufeji (Guy's And St., Adrienne, Ho, Tharindra, Dissanayake, Athula, Tennakoon, Wadah Ali (Pilgrim Hospital, United Lincolnshire Hospitals NHS Trust), Charlene, Tan, Catrin Jones (Victoria Hospital Kirkcaldy), Stephen, Knight, Dima, Nassif, Abhishek Sharma (Perth Royal Infirmary), Oliver, Warren, Rebecca, White, Aia, Mehdi, Nathan, Post, Eliana, Kalakouti, Enkhbat, Dashnyam, Frederick Stourton (Chelsea And Westminster Hospital), Ioannis Mykoniatis, Chelise Currow (Northampton General Hospital), Francisca, Wong, Ashish, Gupta, Veeranna Shatkar (Queen's Hospital, BHR University Hospitals NHS Trust), Suraj, Kadiwar, Alexander Smedley (North Middlesex University Hospital), Rebecca, Wakefield, Philip, Herrod, James, Blackwell, Jonathan Lund (Royal Derby Hospital), Fraser, Cohen, Ashwath, Bandi, Stefano Giuliani (St George's Hospital), Giles, Bond-Smith, Neda, Farhangmehr, Miklos Perenyei (John Radcliffe Hospital, Oxford), Philip, Ireland, Kirk, Bowling, David Bunting (Gloucestershire Royal Hospital), Lydia, Longstaff, Kenneth Keogh (Royal Devon &amp, Exeter, Hospital), Hyunjin, Jeon, Muhammad Rafaih Iqbal, Shivun, Khosla, Anna, Jeffery, James Perera (Maidstone &amp, Tunbridge Wells NHS Trust), Ella Teasdale (Western Isles Hospital), Tariq, Alhammali, Yahya Salama (Kettering General Hospital NHS Trust), Rakan Kabariti, Shaun Oram (Nevill Hall Hospital), Thomas, Kidd, Fraser, Cullen, Christopher, Owen, Michael, Wilson, Seehui, Chiu, Hannah Sarafilovic (Ninewells Hospital), Jennifer, Ploski, Elizabeth, Evans, Athar, Abbas, Sylvia, Kamya, Norzawani, Ishak, Carly, Bisset, Cedar, Andress, Ye Ru Chin (Royal Alexandra Hospital, Paisley), Priya, Patel, David Evans (University Hospital, Wales), Anna Jeffery, James Perera (Maistone and Tunbridge Wells NHS Trust), Aidan, Haslegrave, Adam, Boggon, Kirsten, Laurie, Thomas Mann (Borders General Hospital), Anahita, Mansuri, Rachel, Davies, Ewen Griffiths (University Hospitals Birmingham NHS Trust), Aized Raza Shahbaz, Calvin, Eng, Farhat, Din, Ariadne, L'Heveder, Park, Esther H. G., Ramanish, Ravishankar, Kirsten, Mcintosh, Jih Dar Yau, Luke, Chan, Susan McGarvie (Western General Hospital, Edinburgh), Lingshan, Tang, Hui, Lim, Suhhuey, Yap, Jay, Park, Zhan Herr Ng, Shahrukh, Mirza, Yun Lin Ang, Luke, Walls, Chloe, Roy, Simon, Paterson-Brown, Julian, Camilleri-Brennan, Kenneth, Mclean, Michelle, S D'Souza, Savva, Pronin, David Ewart Henshall, Eunice Zuling Ter (Royal Infirmary Of Edinburgh), Dina Fouad, Ashish Minocha (Norfolk And Norwich University Hospital), William, English, Catrin, Morgan, Dominic, Townsend, Laura, Maciejec, Shareef, Mahdi, Onyinye, Akpenyi, Elisabeth, Hall, Hanaan, Caydiid, Zakaria, Rob, Tom, Abbott, Hew, D Torrance (The Royal London Hospital), Gareth Irwin, Robin Johnston (Ulster Hospital Dundonald), Mohammed Akil Gani, Gianpiero Gravante (Leicester Royal Infirmary), Shivanchan, Rajmohan, Kiran, Majid, Christopher Smith (West Middlesex University Hospital), Madanmohan, Palliyil, Sanjay, Patel, Luke, Nicholson, Neil, Harvey, Katie, Baillie, Sam, Shillito, Suzanne, Kershaw, Rebecca, Bamford, Peter Orton (Stockport NHS Foundation Trust), Elke, Reunis, Wai Cheong Soon (Good Hope Hospital), Jama, Guled M., Dharminder, Dhillon, Khyati Patel (Walsall Manor Hospital, Walsall), Shayanthan, Nanthakumaran, Rachel, Heard, Kar Yan Chen (Aberdeen Royal Infirmary), Behrad, Barmayehvar, Uttaran, Datta, Sivesh, K Kamarajah, Sharad Karandikar (Heartlands Hospital), Sobhana Iftekhar Tani (Nottingham University Hospital NHS Trust), Philippa, Donnelly, Michael Walker (Raigmore Hospital), Jehangirshaw, Parakh, Sarah, Blacker, Anil Kaul (Whiston Hospital), Arjun Paramasivan (Darlington Memorial Hospital), Sameh, Farag, Ashrafun, Nessa, Salwa Awadallah (Worthing Hospital, Western Sussex Hospital NHS Foundation Trust), Jieqi, Lim, James Chean Khun Ng (Queen Elizabeth University Hospital, Glasgow), United States: Katherine Gash, Kiran, Ravi P., Alice Murray (New York Presbyterian Hospital, / Columbia University Medical Center), Mohini, Dasari, Juan Puyana (University Of Pittsburgh Medical Center, - Presbyterian), Nadeem, Haddad, Martin, Zielinski, Asad Choudhry (Mayo Clinic), Celeste, Caliman, Mieshia, Beamon, Therese Duane (John Peter Smith Hospital), Ragavan Narayanan, Mamta Swaroop (Northwestern Memorial Hospital / Northwestern University), Jonathan, Myers, Rebecca, Deal, Erik Schadde (Rush University Medical Centre), Mark, Hemmila, Kathleen To (University Of Michigan Medical Center) Zambia: Alex Makupe, Joseph, Musowoya, Mayaba Maimbo (Ndola Central Hospital), Niels Van Der Naald, Dayson, Kumwenda, Alex, Reece-Smith, Kars, Otten, Anna, Verbeek, Marloes Prins (St Francis Mission Hospital) Data validators (GlobalSurg-2) Argentina: Alibeth Andres Baquero Suarez (Simplemente Evita), Ruben Balmaceda (Hospital Lagomaggiore), Barbados: Chelsea Deane (Queen Elizabeth Hospital), Croatia: Emilio Dijan (Zadar General Hospital), Egypt: Mahmoud Elfiky (Kasr Al Ainy Faculty of Medicine, Cairo University), Finland: Laura Koskenvuo (Helsinki University Hospital), France: Aurore Thollot (CHU Poitiers), Bernard Limoges (CHU Limoges), Carmen Capito (Hopital Necker Enfants Malades, Challine Alexandre (Hopital Cochin, Henri Kotobi (Trousseau Hospital, Julien Leroux (CHU Rouen), Kalitha Pinnagoda (CHU Toulouse), Nicolas Henric (CHU Angers), Olivier Azzis (CHU Rennes), Olivier Rosello (CHU Nice), Poddevin Francois (GHICL), Sara Etienne (CHU Saint Etienne), Philippe Buisson (CHU Amiens Picardie), Sophian Hmila (Hopital Robert Ballanger, Ghana: Joe-Nat Clegg-Lamptey (Korle Bu Teaching Hospital), Osman Imoro (Baptist Medical Centre), Owusu Emmanuel Abem (Komfo Anokye Teaching Hospital), Paul Wondoh (Upper West Regional Hospital), Greece: Dimitrios Papageorgiou (Naval And Veterans Hospital Of Athens), Vasiliki Soulou (Anticancer Hospital Of Athens Agios Savvas), Guatemala: Sabrina Asturias (Hospital Herrera Llerandi Amedesgua), Lenin Peña (Hospital General San Juan De Dios), India: Basant Kumar (Sanjay Gandhi Post Graduate Institute Of Medical College Lucknow), Ireland: Donal B O’Connor (Tallaght Hospital, Trinity College Dublin), Italy: Alberto Realis Luc (Santa Rita Clinic, Alfio Alessandro Russo (Treviglio Hospital), Andrea Ruzzenente (Azienda Ospedaliera Universitaria Integrata di Verona), Antonio Taddei (Azienda Ospedaliera Universitaria Careggi), Camilla Cona (IOV, - Istituto Oncologico Veneto), Corrado Bottini (Sant'Antonio Abate Hospital, Giovanni Pascale (Azienda Ospedaliero-Universitaria di Ferrara), Giuseppe Rotunno (Nicola Giannettasio Hospital, Leonardo Solaini (University Of Brescia, Spedali Civili Di Brescia, ), Marco Maria Pascale (Fondazione Policlinico Universitario 'Agostino Gemelli', ), Margherita Notarnicola (University Of Bari 'Aldo Moro'), Mario Corbellino (Ospedale Luigi Sacco Milano), Michele Sacco (Federico II University of Naples), 5 'Friuli Occidentale', Paolo Ubiali (Azienda per L'Assistenza Sanitaria N., Pordenone), Roberto Cautiero (Second University Of Naples), Tommaso Bocchetti (Sant’Andrea Hospital, Andrea Hospital, Elena Muzio (S., Vania Guglielmo (Policlinico Umberto I, Emergency Surgery Department), Eugenio Morandi (Ospedale di Rho, – ASST Rhodense), Patrizio Mao (San Luigi Gonzaga Hospital, Orbassano), Emilia De Luca (Department of Medical and Surgical Sciences, Jordan: Farah Mahmoud Ali (Jordan University Hospital), Margherita Notarnicola (Azienda Ospedaliero Universitaria Consorziale Policlinico Di Bari)., Lithuania: Justas Žilinskas (Klaipeda Republic), Kestutis Strupas (Vilnius University Hospital), Paulius Kondrotas (Taurage County Hospital), Robertas Baltrunas (Rokiskis District Municipality Hospital), Juozas Kutkevicius (Department Of General Surgery, Lithuanian University Of Health Sciences), Povilas Ignatavicius (Hospital Of Lithuanian University Of Health Sciences Kaunas Clinics), Malaysia: Choy Ling Tan (Hospital Sultanah Aminah), Jia Yng Siaw (Hospital Sibu), Sir Young Yam (Penang Medical College), Ling Wilson (Sarawak General Hospital), Mohamed Rezal Abdul Aziz (University Malaya Medical Centre), Malta: John Bondin (Mater Dei Hospital), Mexico: Carmina Diaz Zorrilla (Hospital Espanol De Veracruz), Morocco: Anass Majbar (Centre Hospitalier Ibn Sina Rabat), Nigeria: Danjuma Sale (Barau Dikko Teaching Hospital), Lawal Abdullahi (Aminu KanoTeaching Hospital), Olabisi Osagie (University Of Abuja Teaching Hospital), Omolara Faboya (Lagos State Teaching Hospital), Adedeji Fatuga (Lagos University Teaching Hospital), Agboola Taiwo (Babcock University Teaching Hospital), Emeka Nwabuoku (Ahmadu Bello University Teaching Hospital), Norway: Marte Bliksøen (Oslo University Hospital), Pakistan: Zain Ali Khan (Bahawal Victoria Hospital, Bahawalpur), Paraguay: Jazmin Coronel (Hospital de Clínicas, Universidad Nacional de Asunción) Peru: Cesar Miranda (Hospital Nacional Cayetano Heredia), Idelso Vasquez (Lima Almenara), Helguero-Santin (Hospital Regional III Jose Cayetano Heredia – Piura), Luis M., Rwanda: Jennifer Rickard (Centre Hospitalier Universitaire De Kigali), Romania: Aurel Mironescu (Spitalul Clinic De Copii Brasov), Saint Kitts and Nevis: Adesina Adedeji (Joseph, N France Hospital), Saudi Arabia: Saleh Alqahtani (King Fahad General Hospital), South Africa: Max Rath (Groote Schuur Hospital), Michael Van Niekerk (New Somerset Hospital), Modise Zacharia Koto (Dr George Mukhari Academic Hospital), Roel Matos-Puig (Stanger Hospital), Sweden: Leif Israelsson (Sundsvall), Switzerland: Tobias Schuetz (Kantonsspital Olten), Turkey: Mahmut Arif Yuksek (Ondokuz Mayis University), Meric Mericliler (Acibadem University School of Medicine, Mehmet Uluşahin (Karadeniz Technical University Farabi Hospital), United Kingdom: Bernhard Wolf (Raigmore Hospital Inverness), Cameron Fairfield (Royal Infirmary Of Edinburgh), Guo Liang Yong (Perth Royal Infirmary), Katharine Whitehurst (Royal Devon And Exeter), Michael Wilson (Ninewells Hospital And Medical School), Natalie Redgrave (John Radcliffe Hospital, Caroluce, K Musyoka (Royal Alexandra Hospital), James Olivier (Royal United Hospital Bath), Kathryn Lee (Queen Elizabeth Birmingham), Michael Cox (Royal Derby Hospital), Muhamed M, H Farhan-Alanie (Inverclyde Royal Hospital), Rory Callan (North Middlesex University Hospital) Zambia: Chali Chibuye (Ndola Central Hospital) Protocol translators (GlobalSurg-2) Arabic, Tebian Hassanein Ahmed Ali, Syrine, Rekhis, Muna, Rommaneh, Oday, Halhouli, Chinese, Zi Hao Sam, Jacky Hong Chieh Chen, French, Dylan, Roi, Greek, Vasileios Kalles, Italian, Gabriela Elisa Nita, Portuguese, Thays Brunelli Pugliesi, Gabriel, Pardo, Spanish, Ruth, Blanco, Eugenio Grasset, Escobar., Gallo, Gaetano, Adisa, A. O., Costas-Chavarri, A., Allen-Ingabire, J. C., Lilford, R. J., Harrison, E. M., Pinkney, T. D., Verjee, A., Runigamugabo, E., Altamini, A., Borda-Luque, G., Cornick, J., Fitzgerald, J. E., Kirby, A., Mihaljevic, A. L., Morton, D., Ntirenganya, F., Ots, R., Shaw, C. A., Khatri, C., Gobin, N., Freitas, A. V., Hall, N., Kim, S. -H., Negida, A., Jaffry, Z., Chapman, S. J., Arnaud, A. P., Tabiri, S., Recinos, G., Manipal, C. E., Mohan, M., Amandito, R., Shawki, M., Hanrahan, M., Zilinskas, J., Roslani, A. C., Goh, C. C., Ademuyiwa, A. O., Irwin, G., Shu, S., Luque, L., Shiwani, H., Altamimi, A., Alsaggaf, M. U., Spence, R., Rayne, S., Jeyakumar, J., Raptis, D. A., Glasbey, J. C., Modolo, M. M., Iyer, D., King, S., Arthur, T., Nahar, S. N., Waterman, A., Walsh, M., Agarwal, A., Zani, A., Firdouse, M., Rouse, T., Liu, Q., Correa, J. C., Salem, H. K., Talving, P., Worku, M., Kalles, V., Kumar, B., Kumar, S., Quek, R., Pata, F., Ansaloni, L., Altibi, A., Venskutonis, D., Poskus, T., Whitaker, J., Msosa, V., Tew, Y. Y., Farrugia, A., Borg, E., Ramos-De La Medina, A., Bentounsi, Z., Soreide, K., Gala, T., Al-Slaibi, I., Tahboub, H., Alser, O. H., Romani, D., Major, P., Mironescu, A., Bratu, M. R., Kourdouli, A., Ndajiwo, A., Altwijri, A., Gudal, A., Jubran, A. F., Seisay, S., Lieske, B., Ortega, I., Senanayake, K. J., Abdulbagi, O., Altinel, Y., Kong, C., Teasdale, E., Stoddart, M., Kabariti, R., Suresh, S., Gash, K., Narayanan, R., Maimbo, M., Fermani, C., Macdermid, E., Chenn, R., Yong, C. O., Edye, M., Jarmin, M., D'Amours, S. K., Youssef, D., Phillips, N., Brown, J., George, R., Koh, C., Warren, O., Hanley, I., Dickfos, M., Nawara, C., Ofner, D., Primavesi, F., Mitul, A. R., Mahmud, K., Hussain, M., Hakim, H., Kumar, T., Oosterkamp, A., Assouto, P. A., Lawani, I., Souaibou, Y. I., Tun, A. K., Chong, C. L., Devadasar, G. H., Qadir, M. R. M., Aung, K. P., Yeo, L. S., Castillo, V. D. P., Munhoz, M. M., Moreira, G., De Castro Segundo, L. C. B., Ferreira, S. A. K., Careta, M. C., Kim, S. B., De Sousa, A. V., Cury, A. D. L., Miguel, G. P. S., De Freitas, A. V. C., Silvestre, B. P., Vianna, J. G. P., Felipe, C. O., Laufer, L. A. V., Altoe, F., Da Silva, L. A., Pimenta, M. L., Giuriato, T. F., Morais, P. A. B., Luiz, J. S., Araujo, R., Menegussi, J., Leal, M., De Lima, C. V. B., Tatagiba, L. S., Leal, A., Dos Santos, D. V., Fraga, G. P., Simoes, R. L., Stock, S., Nigo, S., Kabba, J., Ngwa, T. E., Azzie, G., Kushwaha, S., Bailey, K., Cameron, B., Livingston, M., Horobjowsky, A., Deckelbaum, D. L., Razek, T., Marinkovic, B., Grasset, E., D'Aguzan, N., Jimenez, J., Macchiavello, R., Zhang, Z., Guo, W., Oh, J., Zheng, F., Montes, I., Sierra, S., Mendez, M., Villegas, M. I., Arango, M. C. M., Mendoza, I., Aristizabal, F. A. N., Botero, J. A. M., Riaza, V. M. Q., Restrepo, J., Morales, C., Cruz, H., Munera, A., Karlo, R., Domini, E., Mihanovic, J., Radic, M., Zamarin, K., Pezelj, N., Hache-Marliere, M., Lemaire, S. B., Rivas, R., Khyrallh, A., Hassan, A., Shimy, G., Fahmy, M. A. B., Nabawi, A., Elfil, M., Ghoneem, M., Gohar, M. E. S. A. M., Asal, M., Abdelkader, M., Gomah, M., Rashwan, H., Karkeet, M., Gomaa, A., Hasan, A., Elgebaly, A., Saleh, O., Fattah, A. A., Gouda, A., Elshafay, A. E., Gharib, A., Menshawy, A., Hanafy, M., Al-Mallah, A., Abdulgawad, M., Baheeg, M., Alhendy, M., Fattah, I. A., Kenibar, A., Osman, O., Gemeah, M., Mohammed, A., Adel, A., Sayed, A., Abozaid, M., El-Badri Kotb, A. H., Ata, A. A. A., Nasr, M., Alkammash, A., Saeed, M., El Hamid, N. A., Attia, A. M., El Galeel, A. A., Elbanby, E., El-Dien, K. S., Hantour, U., Alahmady, O., Mansour, B., Elkorashy, A. M., Taha, E. M. S., Lasheen, K. T., Elkolaly, S. S., Abdel-Wahab, N. Y. E., Abozyed, M. A. F., Saeed, A. M., El Sayed, G. S., Youssif, J. H., Ahmed, S. M., El-Shahat, N. S., Khedr, A. E. R. H., Elsebaaye, A. O., Elzayat, M., Abdelraheim, M., Elzayat, I., Warda, M., El Deen, K. N., Elnemr, A. E., Salah, O., Abbas, M., Rashad, M., Elzayyat, I., Hemeda, D., Tawfik, G., Salama, M., Khaled, H., Seisa, M., Elshaer, K., Hussein, A., Elkhadrawi, M., Afifi, A. M., Ebrahim, O. S., Metwally, M. M., Elmelegy, R., Elsawahly, D. M. E., Safa, H., Nofal, E., Elbermawy, M., Ghazy, A. A., Samih, H., Abdelgelil, A., Abdelghany, S., Kholy, A. E., Aboraya, M., Elkady, F., Salma, M., Samy, S., Fakher, R., Aboarab, A., Samir, A., Sakr, A., Haroun, A., Al-Aarag, A. A. R., Elkholy, A., Elshanwany, S., Ghanem, E., Tammam, A., Hammad, A. M., Shoura, Y. E., Ashal, G. E., Antar, S., Mehrez, S., Abdelshafy, M., Hamad, M. G. M., Hosh, M., Abdallah, E., Magdy, B., Alzayat, T., Gamaly, E., Elfeki, H., Abouzahra, A., Elsheikh, S., Elgendy, F. I., El-Salam, F. A., Seifelnasr, O., Ammar, M., Eysa, A., Sadek, A., Toeema, A. G., Nasr, A., Abuseif, M., Zidan, H., Barakat, S. A. E., Elsayed, N., Elrasoul, Y. A., Elkelany, A., Ammar, M. S., Mustafa, M. -A., Hegazy, Y., Etman, M., Saad, S., Alrahawy, M., Raslan, A., Morsi, M., Rslan, A., Sabry, A., Elwakil, H., Shaker, H., Abd-Elrasoul, Y., El-Kashef, H., Shaalan, M., Tarek, A., Elwan, A., Nayel, A. R., Seif, M., Emadeldin, D., Ghonaim, M. A., Almallah, A., Fouad, A., Sayma, E. A., Elbatahgy, A., El-Ma'doul, A. S., Mosad, A., Tolba, H., Elsorogy, D. E. A. A., Mostafa, H. A., Omar, A. A., El Hameed, O. S. A., Lasheen, A., El Salam, Y. A., Morsi, A., Ismail, M., El-Badawy, H. A., Amer, M. A., El-Hamouly, A. S., Attallah, N. A., Mosalum, O., Afandy, A., Mokhtar, A., Abouelnasr, A., Ayad, S., Shaker, R., Sakr, R., Amreia, M., Elsobky, S., Mustafa, M., Magd, A. A. E., Marey, A., Hafez, A. T., Zalabia, M. F., Mohamed, M. M., Fadel, A., Ahmed, E. A., Ali, A., Alwafai, M. G., Dwydar, A., Kharsa, S., Mamdouh, E., El-Sheemy, H., Al Youssef, I., Aly, A. K., Aldalaq, A., Alnawam, E., Alkhabbaz, D., Saad, M., Hussein, S., Elazayem, A. A., Meshref, A., Elashmawy, M., Mousa, M., Nashaat, A., Ghanem, S., Elsayed, Z. M., Elwaey, A., Elkadsh, I., Darweesh, M., Mohameden, A., Hafez, M., Badr, A., Badwy, A., Slam, M. A. E., Elazoul, M., Al-Nahrawi, S., Eldamaty, L., Nada, F., Ameen, M., Hagar, A., Elsehimy, M., Dawoud, H., Mesery, S. E., Gendy, A. E., Abdelkareem, A., Marey, A. S., Allam, M., Shehata, S., Abozeid, K., Elshobary, M., Fahiem, A., Sarsik, S., Hashish, A., Zidan, M., Hashish, M., Aql, S., Elhendawy, A. O. A., Husseini, M., Kasem, E., Gheith, A., Elfouly, Y., Soliman, A. R., Ibrahim, Y., Elfouly, N., Fawzy, A., Rashid, M., Elsherbiny, A. S., Sieda, B., Badwi, N. M., Mohammed, M. M. H., Mohamed, O., Habeeb, M. A., Starr, N., Desta, S., Wondimu, S., Abebe, N. S., Thomas, E., Asele, F. A., Dabessa, D., Zerihun, A. B., Scalabre, A., Frade, F., Irtan, S., Graffeille, V., Gaignard, E., Alimi, Q., Graffieille, V., Abbo, O., Mouttalib, S., Bouali, O., Hervieux, E., Aigrain, Y., Botto, N., Faure, A., Fievet, L., Panait, N., Eyssartier, E., Schmitt, F., Podevin, G., Parent, V., Martin, A., Muller, C., Bonnard, A., Peycelon, M., Abantanga, F., Boakye-Yiadom, K., Bukari, M., Owusu, F., Awuku-Asabre, J., Bray, L. D., Lytras, D., Psarianos, K., Bamicha, A., Kefalidi, E., Gemenetzis, G., Dervenis, C., Gouvas, N., Agalianos, C., Kontos, M., Kouraklis, G., Karousos, D., Germanos, S., Marinos, C., Anthoulakis, C., Nikoloudis, N., Mitroudis, N., Estupinian, S., Forno, W., Azmitia, J. R. A., Cabrera, C. C. R., Guevara, R., Aguilera, M., Mendez, N., Mendizabal, C. A. A., Ramazzini, P., Urquizu, M. C., Tale, F., Soley, R., Barrios, E., Rodriguez, D. E. M., Velasquez, C. I. P., Merida, S. M. C., Regalado, F., Lopez, M., Siguantay, M., Prasad, S. S., Kirishnan, A., Gyanchandani, N., Kumar, B. S., Rangarajan, M., Bhat, S., Sreedharan, A., Kinnera, S. V., Reddy, Y., Venugopal, C., Mittal, A., Nadkarni, S., Lakshmi, H. N., Malik, P., Limaye, N., Pai, S., Jain, P., Khajanchi, M., Satoskar, S., Satoskar, R., Mahamood, A. B., Rahmawati, F. N., Mayasari, M., Al-Hasani, R. K. M. J., Al-Hameedi, H. I. I., Ibraheem, H. I., Al-Azraqi, I. A. A., Sabeeh, L., Kamil, R., Telfah, M. M., Rasendran, A., Sheehan, J., Kerley, R., Normile, C., Gilbert, R. W., Song, J., Dablouk, M., Mauro, L., Dablouk, M. O., Kielty, P., Marks, E., Gosling, S., Mccarthy, M., Mirghani, D., Naqvi, S. A., Wong, C. S., Chung, S., D'Cruz, R., Cahill, R., Gosling, S. G., Fahy, C., Cadogan, D. D., Powell, A., Clifford, C., Driscoll, A., Paul, S., Lee, C., Bowe, R., Hutch, W., Mohan, H., O'Neill, M., Mealy, K., Danelli, P., Bondurri, A., Maffioli, A., Pasini, M., Pata, G., Roncali, S., Silvani, P., Carlucci, M., Faccincani, R., Bonavina, L., Macchitella, Y., Ceriani, C., Tugnoli, G., Saverio, S. 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A., Karim, R., Haque, M., Faruq, A., Iftekhar, F., O'Shea, M., Padmore, G., Jonnalagadda, R., Litvin, A., Filatau, A., Paulouski, D., Shubianok, M., Shachykava, T., Khokha, D., Khokha, V., Djivoh, F., Ismail, L., Dossou, F., Seto, D. M., Gbessi, D. G., Noukpozounkou, B., Keke, K. R., Hodonou, F., Ahounou, E. Y. S., Alihonou, T., Denakpo, M., Ahlonsou, G., Bedada, A. G., Nsengiyumva, C., Kwizera, S., Barendegere, V., Choi, P., Jamal, L., Chen, T. -L., Yip, C., Zapata, F., Lanau, M. I. V., Restrepo, I. M., Giraldo, R. S. R., Youssef, M., Thabet, W., Sanad, A., Zaki, A., Abdel-Hameed, N., Mostafa, M., Omar, M. F. W., Ghanem, A., Denewar, A., Emara, E., Rashad, E., Elashry, R., Emile, S., Khafagy, T., Elhamouly, S., Elfarargy, A., Mohamed, A. M., Nagy, G. S., Esam, A., Elwy, E., Khallaf, S., Ibrahim, E., Saidbadr, A., Moustafa, A., Mohammed, A. E., Elgheriany, M., Abdelmageed, E., Raouf, E. A. A., Elbanby, E. S., Elmasry, M., Farahat, M. M., Mansor, E. Y., Hegazy, E. 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Richard, Gobin, Neel, Freitas, Ana Vega, Hall, Nigel, Kim, Sung‐Hee, Negida, Ahmed, Khairy, Hosni, Chapman, Stephen J, Arnaud, Alexis P, Manipal, Cutting Edge, Amandito, Radhian, Shawki, Marwan, Hanrahan, Michael, Zilinskas, Justa, Roslani, April Camilla, Goh, Cheng Chun, Irwin, Gareth, Luque, Laura, Shiwani, Hunain, Altamimi, Afnan, Alsaggaf, Mohammed Ubaid, Jeyakumar, Jenifa, Cengiz, Yucel, Raptis, Dmitri A, Modolo, Maria Marta, Iyer, Dushyant, King, Sebastian, Arthur, Tom, Nahar, Sayeda Nazmum, Waterman, Ade, Walsh, Michael, Agarwal, Arnav, Zani, Augusto, Firdouse, Mohammed, Rouse, Tyler, Liu, Qinyang, Correa, Juan Camilo, Talving, Peep, Worku, Mengistu, Arnaud, Alexi, Kalles, Vassili, Kumar, Basant, Kumar, Sunil, Quek, Roy, Ansaloni, Luca, Altibi, Ahmed, Venskutonis, Donata, Poskus, Toma, Whitaker, John, Msosa, Vanessa, Tew, Yong Yong, Farrugia, Alexia, Borg, Elaine, Bentounsi, Zineb, Gala, Tanzeela, Al‐Slaibi, Ibrahim, Tahboub, Haya, Alser, Osaid H., Romani, Diego, Shu, Sebestian, 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Vanessa Dina Palomino, Munhoz, Monique Moron, Moreira, Gisele, De Castro Segundo, Luiz Carlos Barro, Ferreira, Salim Anderson Khouri, Careta, Maíra Cassa, Kim, Stella Binna, De Sousa, Alexandre Venancio, Cury, Alyne Daltri Lazzarini, Miguel, Gustavo Peixoto Soare, De Freitas, Ana Vega Carreiro, Guasti, Barbara Pereira Silvestre Julia, Vianna, Pinto, Felipe, Carolina Oliveira, Laufer, Luis Alberto Valente, Altoe, Fernanda, Da Silva, Luana Ayre, Pimenta, Marina Luiza, Giuriato, Thiago Fernande, Morais, Paulo Alves Bezerra, Araujo, Jessica Souza Luiz Rafael, Menegussi, Juliana, Leal, Marisa, Lima, Caio Vinícius Barroso, Tatagiba, Luiza Sarmento, Leal, Antônio, Santos, Diogo Viniciu, Fraga, Gustavo Pereira, Simoes, Romeo Lage, Stock, Simon, Nigo, Samuel, Kabba, Juana, Ngwa, Tagang Ebogo, Brown, Jame, Azzie, George, Kushwaha, Sameer, Bailey, Karen, Cameron, Brian, Livingston, Michael, Horobjowsky, Alexandre, Deckelbaum, Dan L, Razek, Tarek, Marinkovic, Bori, Grasset, Eugenio, D'aguzan, 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Athar, Sadek, Aliaa, Toeema, Aliaa Gamal, Nasr, Aly, Abuseif, Mohamed, Zidan, Hagar, Barakat, Sara Abd Elmageed, Elsayed, Nadin, Elrasoul, Yasmin Abd, Elkelany, Ahmed, Ammar, Mohamed Sabry, Mustafa, Mennat‐Allah, Hegazy, Yasmin, Etman, Mohamed, Saad, Samar, Alrahawy, Mahmoud, Raslan, Ahmed, Morsi, Mahmoud, Rslan, Ahmed, Sabry, Ahmed, Elwakil, Hager, Shaker, Heba, Abd‐Elrasoul, Yasmin, El‐Kashef, Hussein, Shaalan, Mohamed, Tarek, Areej, Elwan, Ayman, Nayel, Ahmed Ragab, Seif, Mostafa, Emadeldin, Doaa, Ghonaim, Mohamed Ali, Almallah, Ahmad, Fouad, Ahmed, Sayma, Eman Adel, Elbatahgy, Ahmad, El‐Ma'doul, Angham Solaiman, Mosad, Ahmed, Tolba, Hager, Elsorogy, Diaa Eldin Abdelazeem Amin, Mostafa, Hassan Ali, Omar, Amira Atef, El Hameed, Ola Sherief Abd, Lasheen, Ahmed, El Salam, Yasser Abd, Morsi, Ashraf, Ismail, Mohammed, El‐badawy, Hager Ahmed, Amer, Mohamed A, El‐Hamouly, Ahmed Sabry, Attallah, Noura A., Mosalum, Omnia, Afandy, Ahmed, Mokhtar, Ahmed, Abouelnasr, Alaa, Ayad, Sara, Shaker, 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Rajan, Reynu, Chong, Hoong Yin, Agius, Marija, Bezzina, Maureen, Bugeja, Roberta, Vella‐Baldacchino, Martinique, Spina, Andrew, Psaila, Josephine, Francois‐Coridon, Helene, Tolg, Cecilia, Colombani, Jean‐Francoi, Diaz‐Zorrilla, Carmina, De La Medina, Antonio Ramos‐, Gonzalez, Samantha Corro‐Diaz, Jacobe, Mário, Mapasse, Domingo, Snyder, Elizabeth, Oumer, Ramadan, Osman, Mohammed, Mohammad, Aminu, Anyanwu, Lofty‐John, Sheshe, Abdulrahman, Adesina, Alaba, Faturoti, Olubukola, Taiwo, Ogechukwu, Ibrahim, Muhammad Habib, Nasir, Abdulrasheed A, Suleiman, Siyaka Itopa, Adeniyi, Adewale, Adesanya, Opeoluwa, Adebanjo, Ademola, Osuoji, Roland, Atobatele, Kazeem, Ogunyemi, Ayokunle, Williams, Omolara, Oludara, Mobolaji, Oshodi, Olabode, Ademuyiwa, Adesoji, Lawal, AbdulRazzaq Oluwagbemiga, Alakaloko, Felix, Elebute, Olumide, Osinowo, Adedapo, Bode, Christopher, Adesuyi, Abidemi, Tade, Adesoji, Adekoya, Adeleke, Nwokoro, Collin, Ayandipo, Omobolaji O, Lawal, Taiwo Akeem, Ajao, Akinlabi E, Ali, 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Pierina García, Barreda, Luis Miguel Alvarez, Ojeda, Ronald Renato Barrionuevo, Garaycochea, Octavio, Mollo, Melanie Castro, Delgado, Mitchelle Solange De Fã Tima Linare, Fujii, Francisco, Durand, Susana Yrma Aranzabal, Basto, Carlos Alejandro Arroyo, Rojas, Nelson Manuel Urbina, Yip, Sebastian Bernardo Shu, Vergara, Ana Lucia Contrera, Moran, Andrea Echevarria Rosa, Luque, Giuliano Borda, Castro, Manuel Rodriguez, Jaramillo, Ramon Alvarado, Sila, George Manrique, Lopez, Crislee Elizabeth, De Leon, Mardelangel Zapata Ponze, Machaca, Massiell, Huaraya, Ronald Coasaca, Arenas, Andy, López, Crislee, Puma, Clara Milagros Herrera, Pino, Wilfredo, Hinojosa, Christian, De Leon, Melanie Zapata Ponze, Limache, Susan, Sila, George Manrrique, Rodriguez, Layza‐Alejandra Mercado, Melo, Renato, Costa‐Maia, Jose, Muralha, Nuno, Sauvat, Frederique, Dan, Ionasc, Hogea, Mircea, Eduard, Pandi, Bratu, Razvan‐Matei, Beuran, Mircea, Diaconescu, Ionut‐Bogdan, Martian, Bogdan‐Valeriu, Iordache, Florin‐Mihail, Vartic, Mihaela, Vida, Lucian Corneliu, Muntean, Liviu Iuliu, Mironescu, Aurel Sandu, Nsengimana, Vizir Jean Paul, Niragire, Alice, Ingabire, Jean De La Croix Allen, Niyirera, Eugene, Zanini, Nicola, Jovine, Elio, Landolfo, Giovanni, Alomar, Ibrahim N., Alnuqaydan, Saleh A., Altwigry, Abdulrahman M., Othman, Moayad, Osman, Nohad, Alqahtani, Ena, Alzahrani, Mohammed, Alyami, Rifan, Aljohani, Emad, Alhabli, Ibrahim, Mikwar, Zaher, Almuallem, Sultan, Nawawi, Abrar, Bakhaidar, Mohamad, Maghrabi, Ashraf A., Alsaggaf, Mohammed, Aljiffry, Murad, Altaf, Abdulmalik, Khoja, Ahmad, Habeebullah, Alaa, Akeel, Nouf, Ghandora, Nashat, Almoflihi, Abdullah, Huwait, Abdulmalik, Al‐shammari, Abeer, Al‐Mousa, Mashael, Alghamdi, Masood, Adham, Walid, Albeladi, Bandar, Alfarsi, Muayad Ahmed, Mahdi, Atif, Al Awwad, Saad, Nouh, Thamer, Hassanain, Mazen, Aldhafeeri, Salman, Sadig, Nawal, Algohary, Osama, Aledrisy, Mohannad, Alrifaie, Ahmad, AlRowais, Mohammed, Althwainy, Amani, Shabkah, Alaa, Alamoudi, Uthman, Alrajraji, Mawaddah, Alghamdi, Basim, Aljohani, Saud, Daqeeq, Abdullah, Al‐Faifi, Jubran J, Jennings, Vicky, Ngayu, Nyawira, Moore, Rachel, Kong, Victor, Kretzmann, Hayden, Connor, Katie, Nel, Daniel, Sampson, Colleen, Panieri, Eugenio, Sishuba, Nosisa, Tun, Myint, Mphatsoe, Albert Mohale, Carreira, Jo‐Anne, Wagener, Mark, Botes, Stefan, Du Plessis, Danelo, Fernandez‐Bueno, Fernando, Aguilar‐Jimenez, Jose, Garcia‐Marin, Jose Andre, García, Lorena Solar, Florez, Luis Joaquín García, Pacheco, Rubén Darío Aria, Pagnozzi, Janet, Quezada, Jimy Harold Jara, Rodicio, Jose Lui, Minguez, German, Rodríguez‐Uría, Raquel, Ugalde, Paul, Lopez‐Arevalo, Camilo, Barneo, Lui, Stuva, Jessica Patricia Gonzale, Ortega‐Vazquez, Irene, Rodriguez, Lorena, Herrera, Norberto, Arachchi, Prasad Pitigala, Senanayake, Wanigasekara, Senanayake, Mudiyanselage Kithsiri Janakantha, Arachchige, Lalith Asanka Jayasooriya Jayasoori, Sivaganesh, Sivasuriya, Samaraweera, Dulan Irusha, Thanusan, Vimalakanthan, Musa, Ahmed Elgaili Khalid, Balila, Reem Mohammed Hassan, Mohamed, Mohamed Awad Elkarim Hamad, Ali, Hussein, Elabdin, Hagir Zain, Hassan, Alaa, Mahdi, Sefeldin, Ahmed, Hala, Idris, Sahar Abdoun Ishag, Elsayed, Makki, Elsayed, Mohammed, Mahmoud, Mohamed, Boijsen, Magnu, Lundgren, Per‐Olof, Gustafsson, Ulf, Kiasat, Ali, Wogensen, Fredrik, Jurdell, Emma, Thorell, Ander, Thorarinsdottir, Hildur, Utter, Maria, Sundstrom, Sami Martin, Wredberg, Cecilia, Kjellin, Ann, Nyberg, Johanna, Frisk, Bjorn, Sund, Malin, Andersson, Linda, Gunnarsson, Ulf, Cengiz, Yücel, Ahlqvist, Sandra, Björklund, Ida, Royson, Hanna, Weber, Per, Pahlsson, Hans‐Ivar, Borin, Eva, Hjertberg, Maria, Schmid, Roger, Schivo, Debora, Despotidis, Vasileio, Breitenstein, Stefan, Staerkle, Ralph F, Schadde, Erik, Deichsel, Fabian, Gerosa, Alexandra, Nocito, Antonio, Raptis, Dimitri Aristotle, Mijuskovic, Barbara, Zuber, Marku, Eisner, Luka, Kruspi, Swantje, Reinisch, Katharina Beate, Schoewe, Christin, Novak, Allan, Palma, Adrian F., Teufelberger, Gerfried, Kimaro, Msafiri, King, Rachel, Balkan, Ali Zeynel Abidin, Gumar, Mehmet, Yavuz, Mehmet Ali, Karabacak, Ufuk, Lap, Gokhan, Ozkan, Bahar Busra, Karakahya, Murat, Adams, Ryan, Morton, Robert, Henderson, Liam, Gratton, Ruth, Clement, Keiran David, Chang, Kate Yu‐Ching, Mcnish, David, Mcintosh, Ryan, Milligan, William, Skelly, Brendan, Anderson‐Knight, Hannah, Lawther, Roger, Onimowo, Jemina, Shatkar, Veereanna, Tharmalingam, Shivanee, Woin, Evelina, Fautz, Tessa, Ziff, Oliver, Dindyal, Shiva, Arman, Sam, Talukder, Shagorika, Gadhvi, Vijay, Chew, Luen Shaun, Heath, Jonathan, Blencowe, Natalie, Hallam, Sally, Mannu, Gurdeep Singh, Zachariades, Dimitris‐Christo, Snaith, Ailsa Claire, Hettiarachchi, Thusitha Sampath, Nesaratnam, Arjun, Wheeler, Jame, McCullagh, Darragh, Clements, Joshua Michael, Khan, Ata, Koumpa, Foteini, Neophytou, Christina, Roth, Jessica, Soon, Wai Cheong, Deputy, Mohammed, Ahmed, Ahmed, Ashton, Annelisse, Vincent, Joe, Almy, Jack, Khan, Taufiq, Allen, John Lee Y, Mcintyre, Charlotte Jane, Marshall, Dominic Charle, Sykes, Mark, Behar, Nebil, Jordan, Harriet, Rajjoub, Yaseen, Sherman, Thoma, White, Timothy, Watts, Anna, Ardley, Rohan, Arulampalam, Tan, Shah, Apar, Brown, Damien, Blower, Emma, Sutton, Paul, Gasteratos, Konstantino, Vimalachandran, Dale, Magee, Cathy, Mcguigan, Andrew, Mcaleer, Stephen, Morgan, Clare, Braungart, Sarah, Lafferty, Kirsten, Labib, Peter, Tanase, Andrei, Mangan, Clodagh, Reza, Lillian, Woodward, Helen, Gouldthorpe, Craig, Turner, Megan, Wild, Jonathan R L, Malik, Tom AM, Proctor, Victoria K, Hewage, Kalon, Davies, Jame, Dubois, Andre, Sarwary, Sayed, Zardab, Ali, Grant, Alan, Mcintyre, Robert, Mogan, Yogendra Praveen, Ho, Weiguang, Chong, Bryon Frankie Hon Khi, Tewari, Shirish, Humm, Gemma, Farinella, Eriberto, Hall, Nigel J, Wright, Naomi J, Major, Christina P, Xerri, Thelma, De Bono, Phoebe, Amin, Jasim, Farhad, Mustafa, Camilleri‐Brennan, John F., Robertson, Andrew G N, Swann, Joanna, Richards, Jame, Jabbar, Aijaz, Attard, Myranda, Burns, Hannah, Macdonald, Euan, Baldacchino, Matthew, Skehan, Jennifer, Camilleri‐Brennan, Julian, Hall, Tom Falconer, Gimzewska, Madelaine, Mclachlan, Greta, Shah, Jamie, Giles, Jame, Chiu, Selina, Weber, Beatrix, Chiu, Selina Man Yeng, Highcock, Saskia, Hassan, Maleeha, Beasley, William, Vlachogiorgos, Apostolo, Dias, Stephen, Maharaj, Geta, Mcdonald, Rosie, Macdonald, Alisdair, Witherspoon, Paul, Baird, Alan, Sarmah, Panchali, Green, Nikki, Youssef, Haney, Cross, Kate, Rees, Clare M, Van Duren, Bernard, Upchurch, Emma, Khan, Khurram, Abudeeb, Haytham, Hammad, Ahmed, Karandikar, Sharad, Bowley, Doug, Karim, Ahmed, Chachulski, Witold, Richardson, Liam, Dawnay, Gile, Thompson, Ben, Mistry, Ajayesh, Ghetia, Millika, Roy, Sudipta, Al‐Obaedi, Ossama, Das, Kaustuv, Prabhudesai, Ash, Cocker, DM, Tan, Jessica Juliana, Tyler, Robert, Di Franco, Filippo, Ayyar, Shruti, Vivekanantham, Sayinthen, Gokani, Shyam, Gillespie, Michael, Gudlaugsdottir, Katrin, Pezas, Theodore, Currow, Chelise, Kim, Matthew Young‐Han, Birring, Amerdip, Edwards, Joanne, Ali, Ased, Das, Suparna, Jha, Madan, Atkinson, Kieran, Luck, Joshua, Fozard, Thoma, Puttick, Michael, Salama, Yahya, Shah, Rohi, Ibrahem, Ahmad Aboelkassem, Ebdewi, Hamdi, Gravante, Gianpiero, El‐Rabaa, Saleem, Nnajiuba, Henry, Allott, Rebecca, Bhargava, Aman, Chan, Zoe, Hassan, Zaffar, Makinde, Misty, Hemingway, David, Dean, Ramzana, Boddy, Alexander, Aber, Ahmed, Patel, Vijay, Parakh, Jehangirshaw, Parthiban, Sunil, Ubhi, Harmony Kaur, Hosein, Simon‐Peter, Ward, Simon, Malik, Kamran, Jennings, Leifa, Newton, Tom, Alkhouri, Mirna, Kang, Min Kyu, Houlden, Christopher, Barry, Jonathan, Raza, Imtanan, Farquharson, Alistair, Bhattacharya, Sanjeet, Chang, Kate, Wilson, Michael S J, Neo, Yan Ning, Ibrahim, Ibrahim, Chan, Emily, Peck, Fraser S, Lim, Pei J, North, Alexander S, Blundell, Rebecca, Williamson, Adam, Fouad, Dina, Minocha, Ashish, Mccarthy, Kathryn, Court, Emma, Chambers, Alice, Yee, Jenna, Tham, Ji Chung, Beaton, Ceri, Walsh, Una, Lockey, Joseph, Bokhari, Salman, Howells, Lara, Griffiths, Megan, Yallop, Laura, Singh, Shailinder, Nasher, Omar, Jackson, Paul, Shariffuddin, Abdul Muiz, Ho, Weng Chee, Wilson, Michael Sj, Pabla, Gurpreet, Ramzi, Saed, Zeidan, Shady, Doughty, Jennifer, Sinha, Sidhartha, Davenport, Ro, Lewis, Jason, Duffy, Leo, Mcaleer, Elizabeth, Williams, Eleanor, Som, Robin, Javed, Omar, Boal, Matthew, Harrison, Nicola, Tafazal, Habib, Brogden, Tom, Griffiths, Ewen, Obute, Rhalumi Daniel, Glover, Thomas E, Clark, David J, Boshnaq, Mohamed, Akhtar, Mansoor, Capleton, Pascale, Doughan, Samer, Rabie, Mohamed, Mohamed, Ismail, Samuel, Duncan, Dickson, Lauren, Kennedy, Matthew, Dempster, Eleanor, Brown, Emma, Maple, Natalie, Monaghan, Eimear, Wolf, Bernhard, Garland, Alicia, Mcphee, Arthur, Anderson, David, Anderson, Robert, Hassan, Sarah, Smith, Dave, Lund, Jonathan, Boereboom, Catherine, Murphy, Jennifer, Tierney, Gillian, Tou, Samson, Zimmermann, Eleanor Franziska, Smart, Neil Jame, Warwick, Andrea Marie, Stasinou, Theodora, Daniels, Ian, Findlay‐Cooper, Kim, Mitrasinovic, Stefan, Ray, Swayamjyoti, Varcada, Massimo, D'Souza, Rovan, Omara, Sharif, Spurr, Matthew, Parkinson, Lucienne, Hanks, Anthony, Ma, Jennifer, Abington, Emily, Ramcharn, Meera, Williams, Gethin, Winstanley, Joseph, Kennedy, Ewan D., Yeung, Emily NW, Jones, Catrin, O'neill, Stephen, Lim, Shujing Jane, Liew, Ignatiu, Nair, Hari, Fairfield, Cameron, Oh, Julia, Koh, Samantha, Wilson, Andrew, Fairfield, Catherine, Anandkumar, Delran, Kirupagaran, Ashok, Jones, Timothy F, Torrance, Hew Dt, Fowler, Alexander J, Chandrakumar, Charmilie, Patel, Priyank, Ashraf, Syed Faaz, Lakhani, Sonam M., Mclean, Aaron Lawson, Basson, Sonia, Batt, Jeremy, Bowman, Catriona, Benons, Natasha, Mason, Clare, Harrison, Rebecca, Quayle, John, Barker, Tom, Summerour, Virginia, Harper, Edward, Smith, Caroline, Hampton, Matthew, Pitt, Sophie K, Ward, Alex E, O'Connor, Timothy, Heywood, Emily G, Chowdhury, Abeed, Hossaini, Sina, Watson, Nicholas F, Mckechnie, Doug, Farah, Ayaan, Chun, Anita, Koh, Hoey, Lim, Grace, Sunderland, Graham, Gould, Laura, Munipalle, P C, Rooney, H, Browning, D R L, Pereira, Bernadette, Nemeth, Kristof, Decker, Emily, Giuliani, Stefano, Shalaby, Aly, Shaikh, Shafaque, Tan, Chern Yan, Palkhi, Ebrahim Y A, Szczap, Aleksandra, Chidambaram, Swathikan, Chen, Chee Yang, Kulasabanathan, Kavian, Chhabra, Srishti, Kostov, Elisabeth, Harbord, Philippe, Barnacle, Jame, Palliyil, Madan Mohan, Zikry, Mina, Porter, Johnathan, Raslan, Charef, Hafiz, Shazia, Soltani, Niksa, Baillie, Katie, Singh, Priyanka, Sheth, Shailee, Patel, Kishen, Khalili, Mahry, Choi, Jeesoo, Benger, Matthew, Marples, Lucy, Macfarlane, Alastair, Thurairaja, Ramesh, Boyce, Tamsin, Whewell, Harriet, Jones, Elin, Th'ng, Francesca, Robertson, Nichola, Mirza, Ahmad, Saeed, Haroon, Galloway, Simon, Elena, Gia, Afzal, Mohammad, Zakir, Mohamed, Sodde, Peter, Hand, Charle, Sriram, Aiesha, Clark, Tamsyn, Holton, Patrick, Livesey, Amy, Sinha, Yashashwi, Iqbal, Fahad Mujtaba, Bharj, Indervir Singh, Rotundo, Adriana, Jenvey, Cara, Slade, Robert, Golding, David, Haines, Samuel, Ne'ma Abdullah, Ali Adel, Tilston, Thomas W, Loughran, Dafydd, Donoghue, Danielle, Giacci, Lorenzo, Sherif, Mohamed Ashur, Harrison, Peter, Tang, Alethea, Kotecha, Deevia, Elshaer, Mohamed, Urbonas, Toma, Riaz, Amjid, Chapman, Annie, Acharya, Parisha, Shalhoub, Joseph, Grossart, Cathleen, McMorran, David, Mlotshwa, Makhosini, Hawkins, William, Loizides, Sofroni, Krishna, Kandaswamy, Orchard, Melanie, Ho, Chik Wai, Thomson, Peter, Khan, Shahab, Taylor, Fiona, Shukla, Jalak, Howie, Emma Elizabeth, Macdonald, Linda, Komolafe, Olusegun, Mcintyre, Neil, Cragg, Jame, Parker, Jody, Stewart, Duncan, Lintin, Luke, Tracy, Julia, Farooq, Tahir, Molina, George, Kaafarani, Haytham, Beyene, Robel, Sava, Jack, Scott, Mark, Swaroop, Mamta, Kennedy, Raelene, Azodo, Ijeoma A, Heffernan, Daithi, Chun, Tristen, Stephen, Andrew, Sion, Melanie, Weinstein, Michael S., Punja, Viren, Bugaev, Nikolay, Goodstein, Monica, Razmdjou, Shadi, Etchill, Eric, Puyana, Juan Carlo, Kesinger, Matthew, Napolitano, Lena, To, Kathleen, Hemmila, Mark, Todd, Oliver, Jenner, Edward, Hoogakker, Ellen, Grizhja, Besmir, Ymeri, Shpetim, Galiqi, Gezim, Klappenbach, Roberto, Antezana, Diego, Beleño, Alvaro Enrique Mendoza, Costa, Cecilia, Sanchez, Belen, Aviles, Susan, Fermani, Claudio Gabriel, Balmaceda, Rubén, Villalobos, Santiago, Carmona, Juan Manuel, Hamill, Daniel, Deutschmann, Peter, Sandler, Simone, Cox, Daniel, Nataraja, Ram, Sharpin, Claire, Ljuhar, Damir, Gray, Demi, Haines, Morgan, Iyer, Dush, Niranjan, Nithya, D'Amours, Scott, Ashtari, Morvarid, Franco, Helena, Karim, Sabbir, Aman, Nowrin F., Estee, Mahnuma Mahfuz, Salma, Umme, Razzaque, Joyeta, Kanta, Tasnia Hamid, Tori, Sayeeda Aktar, Alamin, Shadid, Roy, Swapnil, Al Amin, Shadid, Karim, Rezaul, Haque, Muhtarima, Faruq, Amreen, Iftekhar, Farhana, O'Shea, Margaret, Padmore, Greg, Jonnalagadda, Ramesh, Litvin, Andrey, Filatau, Aliaksandr, Paulouski, Dzmitry, Shubianok, Maryna, Shachykava, Tatsiana, Khokha, Dziani, Khokha, Vladimir, Djivoh, Fernande, Dossou, Franci, Seto, Djifid Morel, Gbessi, Dansou Gaspard, Noukpozounkou, Bruno, Keke, Kpèmahouton René, Hodonou, Fred, Ahounou, Ernest Yemalin Stephane, Alihonou, Thierry, Dénakpo, Max, Ahlonsou, Germain, Bedada, Alemayehu Ginbo, Nsengiyumva, Carlo, Kwizera, Sandrine, Barendegere, Venerand, Choi, Philip, Jamal, Luai, Chen, Tzu‐Ling, Yip, Chingwan, Zapata, Felipe, Lanau, Maria Isabel Villega, Restrepo, Ivan Mendoza, Giraldo, Ruben Santiago Restrepo, Youssef, Mohamed, Thabet, Waleed, Sanad, Aly, Zaki, Ahmed, Abdel‐Hameed, Noran, Mostafa, Mohamed, Omar, Muhammad Fathi Waleed, Ghanem, Ahmed, Denewar, Adel, Emara, Eman, Rashad, Eman, Sakr, Ahmad, Elashry, Rehab, Emile, Sameh, Khafagy, Toqa, Elhamouly, Sara, Elfarargy, Arwa, Mohamed, Amna Mamdouh, Nagy, Ghada Saied, Esam, Abeer, Elwy, Eman, Hammad, Aya, Khallaf, Salwa, Ibrahim, Eman, Saidbadr, Ahmed, Moustafa, Ahmed, Mohammed, Amany Eldosouky, Elgheriany, Mohammed, Abdelmageed, Eman, Al Raouf, Eman Abd, Elbanby, Esraa Samir, Elmasry, Maha, Farahat, Mahitab Morsy, Mansor, Eman Yahya, Hegazy, Eman Magdy, Gamal, Esraa, Gamal, Heba, Kandil, Hend, Abdelrouf, Doaa Maher, Moaty, Mohamed, Gamal, Dina, El‐Sagheer, Nada, Salah, Mohamed, Magdy, Salma, Salah, Asmaa, Essam, Ahmed, Ali, Ahmed, Badawy, Mahmoud, Ahmed, Sara, Mohamed, Mazed, Assal, Abdelrahman, Sleem, Mohamed, Ebidy, Mai, Elrazek, Aly Abd, Zahran, Diaaaldin, Adam, Nourhan, Nazir, Mohamed, Hassanein, Adel B, Ismail, Ahmed, Elsawy, Amira, Mamdouh, Rana, Mabrouk, Mohamed, Ahmed, Lopna Ahmed Mohamed, Alnaby, Mohamed Hassab, Magdy, Eman, Abd‐Elmawla, Manar, Fahim, Marwan, Mowafy, Bassant, Mahmoud, Moustafa Ibrahim, Allam, Meran, Alkelani, Muhammad, El Gendy, Noran Halim, Aboul‐Naga, Mariam Saad, El‐Din, Reham Alaa, Elgendy, Alyaa Halim, Ismail, Mohamed, Shalaby, Mahmoud, Elsharkawy, Aya Adel, Moghazy, Mahmoud Elsayed, Elbisomy, Khaled Hesham, Shakshouk, Hend Adel Gawad, Hamed, Mohamed Fouad, Ebidy, Mai Mohamed, Ahmed, Hayam, Adel, Israa, Omar, Mohammad Elsayed, Ibrahim, Mohamed, Ghoneim, Omar, Hesham, Omar, Gamal, Shimaa, Hilal, Karim, Arafa, Omar, Awad, Sawsan Adel, Salem, Menatalla, Elsherif, Fawzia Abdellatif, Elsabbagh, Nourhan, Aboelsoud, Moustafa R., Rida, Ahmed Hossam Eldin Fouad, Hossameldin, Amr, Hany, Ethar, Asar, Yomna Hosny, Anwar, Nourhan, Gadelkarim, Mohamed, Abdelhady, Samar, Morshedy, Eman Mohamed, Saad, Reham, Soliman, Nourhan, Salama, Mahmoud, Ezzat, Eslam, Mohamed, Arwa, Ibrahim, Arwa, Fergany, Alaa, Mohammed, Sara, Reda, Aya, Allam, Yomna, Saad, Hanan Adel, Abdelfatah, Afnan, Fathy, Aya Mohamed, El‐Sehily, Ahmed, Kasem, Esraa Abdalmageed, Hassan, Ahmed Tarek Abdelbaset, Mohammed, Ahmed Rabeih, Saad, Abdalla Gamal, Ibrahim, Arij, Hassaan, Amr, Mohammed, Mohammed Mustafa, Elhoseny, Ghada, Magdy, Mohamed, Elkhalek, Esraa Abd, Zakaria, Yehia, Ezzat, Tarek, El Dahab, Ali Abo, Kelany, Mohamed, Arafa, Sara, Hassan, Osama Mokhtar Mohamed, Badwi, Nermin Mohamed, Sleem, Ahmad Saber, Ahmed, Hussien, Abdelbadeai, Kholoud, Abdullah, Mohamed Abozed, Lokman, Muhammad Amsyar Auni, Bahar, Suraya, Abdelazeam, Anan Rady, Adelshone, Abdelrahman, Hasnan, Muhammad Bin, Zulkifli, Athirah, Kamarulzamil, Siti Nur Alia, Elhendawy, Abdelaziz, Latif, Aliang, Adnan, Ahmad Bin, Shaharuddin, Shahadatul, Majid, Aminah Hanum Haji Abdul, Al‐Marakby, Dina, Ismail, Mohamad Jeffrey Bin, Basir, Elissa Rifhan Mohd, Ali, Citra Dewi Mohd, Ata, Aya Yehia, Nasr, Maha, Rezq, Asmaa, Sheta, Ahmed, Tariq, Sherif, Sallam, Abd Elkhalek, Darwish, Abdelrhman KZ, Elmihy, Sohaila, Elhadry, Shady, Farag, Ahmed, Hajeh, Haidar, Abdelaal, Abdelaziz, Aglan, Amro, Zohair, Ahmed, Essam, Mahitab, Moussa, Omar, El‐Gizawy, Esraa, Samy, Mostafa, Ali, Safia, Elhalawany, Esraa, Ata, Ahmed, El Halawany, Mohamed, Nashat, Mohamed, Soliman, Samar, Elazab, Alaa, Samy, Mostada, Abdelaziz, Mohamed A, Ibrahim, Khaled, Ibrahim, Ahmed mohamed, Gado, Ammar, Eldeen, Esraa Alm, loaloa, Mohamed Reda, Abouzaid, Arwa, Eldin, Mostafa Ahmed Bahaa, Hashad, Eman, Sroor, Fathy, Gamil, Doaa, Abdulhakeem, Eman Mahmoud, Zakaria, Mahmoud, Mohamed, Fawzy, Abubakr, Marwan, Ali, Elsayed, Magdy, Hesham, Ramadan, Menna Tallah, Mohamed, Mohamed Abdelaty, Mansour, Salma, Amin, Hager Abdul Aziz, Mohamed, Ahmed Rabie, Saami, Mahmoud, Elsayed, Nada Ahmed Reda, Tarek, Adham, Mahmoud, Sabry Mohy Eldeen, El Sayed, Islam Magdy, Reda, Amira, Shawky, Martina Yusuf, Salem, Mohammed Mousa, El‐Din, Shahinaz Alaa, Soliman, Noha Abdullah, Talaat, Muhammed, Alaael‐Dein, Shahinaz, Elhusseiny, Ahmed Abd Elmoen, Abdullah, Noha, Elshaar, Mohammed, Ibraheem, Aya AbdelFatah, Abdulaziz, Hager, Ismail, Mohammed Kamal, Madkor, Mona Hamdy, Abdelaty, Mohamed, Abdel‐Kader, Sara Mahmoud, Salah, Osama Mohamed, Eldafrawy, Mahmoud, Eldeeb, Ahmed Zaki, Eid, Mostafa Mahmoud, Attia, Attia, Shwky, Ayman, Badenjki, Mohamed Adel, Soliman, Abdelrahman, Al Attar, Samaa Mahmoud, Sayed, Farrag, Sabour, Fahd Abdel, Azizeldine, Mohammed G., Shawqi, Muhammad, Hashim, Abdullah, Aamer, Ahmed, Abdelraouf, Ahmed Mahmoud, Abdelshakour, Mahmoud, Ibrahim, Amal, Mahmoud, Basma, Mahmoud, Mohamed Ali, Qenawy, Mostafa, Rashed, Ahmed M., Dahy, Ahmed, Sayed, Marwa, Shamsedine, Ahmed W., Mohamed, Bakeer, Hasan, Ahmad, Saad, Mahmoud M., Bassit, Khalil Abdul, El‐Latif, Nadia Khalid Abd, Elzahed, Nada, El Kashash, Ahmed, Bekhet, Nada Mohamed, Hafez, Sarah, Gad, Ahmed, Maher, Mahmoud Elkhadragy, Elsameea, Ahmed Abd, Hafez, Mohamed, Sabe, Ahmad, Ahmed, Ataa, Shahine, Ahmed, Dawood, Khaled, Gaafar, Shireen, Husseiny, Reem, Aboelmagd, Omnia, Soliman, Ahmed, Mesbah, Nourhan, Emadeldin, Hossam, Al Meligy, Amgad, Bekhet, Amira Hassan, Hasan, Doaa, Alhady, Khaled, Sabe, Ahmad Khaled, Elnajjar, Mahmoud A., Aboelella, Majed, Hamsho, Ward, Hassan, Ihab, Saad, Hala, Abdelazim, Galaleldin, Mahmoud, Hend, Wael, Noha, Kandil, Ahmedali M, Magdy, Ahmed, Elkholy, Shimaa Said, Adel, Badr Eldin, Dabbour, Kareem, Elsherbiney, Saged, Mattar, Omar, Abdrabou, Abdulshafi Khaled, Aly, Mohammed Yahia Mohamed, Geuoshy, Abdelrahman, Elnagar, Ahmedglal, Ahmed, Saraibrahim, Abdelmotaleb, Ibrahem, Saleh, Amr Ahmed, Saeed, Manar, Mahmoud, Shady, Tawfik, Badreldin Adel, Ismail, Samar Adel, Zakaria, Esraay, Gad, Mariam O., Elhelbawy, Mohamed Salah, Bassem, Monica, Maraie, Noha, Elhadary, Nourhan Medhat, Semeda, Nourhan, Mohamed, Shaza Rabie, Bakry, Hesham Mohammed, Essam, AA, Tarek, Dina, Ashour, Khlood, Elhadad, Alaa, Abdel‐Aty, Abdulrahman, Rakha, Ibrahim, Matter, Sara Mamdouh, Abdelhamed, Rasha, Abdelkader, Omar, Hassaan, Ayat, Soliman, Yasmin, Mohamed, Amna, Farouk, Sara Amr Mohamed, Ibrahim, Eman Mohamed, El‐Taher, Esraa, Mostafa, Merna, Badr, Mohamed Fawzy Mahrou, Elsemelawy, Rofida, El‐Sawy, Aya, Bakr, Ahmad, Al Rafati, Ahmad Abdel Razaq, Saar, Sten, Reinsoo, Arvo, Seyoum, Nebyou, Worku, Tewodro, Fitsum, Agazi, Tolonen, Matti, Parmentier, Benoît, Dardenne, Sabrina, Robert, Elsa, Maillot, Betty, Courboin, Etienne, Hascoet, Juliette, Kaci, Amir Ait, Prudhomme, Thoma, Ballouhey, Quentin, Grosos, Céline, Fourcade, Laurent, Cecilia, Tolg, Jean‐Francois, Colombani, Helene, Francois‐Coridon, Delforge, Xavier, Haraux, Elodie, Dousset, Bertrand, Schiavone, Roberto, Gaujoux, Sebastien, Marret, Jean‐Baptiste, Haffreingue, Aurore, Rod, Julien, Renaux‐Petel, Mariette, Lecompte, Jean‐Françoi, Bréaud, Jean, Gastaldi, Pauline, Taieb, Chouikh, Claire, Raquillet, Anis, Echaieb, Bustangi, Nasir, Lopez, Manuel, Grella, Maria Giovanna, Mariani, Aurora, Schmitt, Françoise, Broch, Aline, Bandoh, Dickson, Kyereh, Martin, Asumah, Hamza, Appiah, Eric Kofi, Wondoh, Paul, Gyedu, Adam, Dally, Charle, Agbedinu, Kwabena, Amoah, Michael, Yifieyeh, Abiboye, Amoako‐Boateng, Mabel, Dayie, Makafui, Hagan, Richmond, Debrah, Sam, Ohene‐Yeboah, Micheal, Clegg‐Lampety, Joe‐Nat, Etwire, Victor, Dakubo, Jonathan, Essoun, Samuel, Bonney, William, Glover‐Addy, Hope, Osei‐Nketiah, Samuel, Amoako, Joachim, Adu‐Aryee, Niiarmah, Appeadu‐Mensah, William, Bediako‐Bowan, Antoinette, Dedey, Florence, Ekow, Mattew, Akatibo, Emmanuel, Yakubu, Musah, Kordorwu, Hope Edem Kofi, Asare‐Bediako, Kwasi, Tackie, Enoch, Aaniana, Kenneth, Acquah, Emmanuel, Opoku‐Agyeman, Richard, Avoka, Anthony, Kusi, Kwasi, Maison, Kwame, Gyamfi, Frank Enoch, Barnabas, Gandau Naa, Abdul‐Latif, Saiba, Amoako, Philip Taah, Davor, Anthony, Dassah, Victor, Dagoe, Enoch, Kwakyeafriyie, Prince, Akoto, Elliot, Ackom, Eric, Mensah, Ekow, Atkins, Ebenezer Takyi, Coompson, Christian Lari, Ivros, Nikolao, Ferousis, Christoforo, Kalles, Vasileio, Kyriazanos, Ioanni, Barkolias, Christo, Tselos, Angelo, Tzikos, Georgio, Voulgaris, Evangelo, Bamicha, Athanasia, Stefanopoulos, Anastasio, Patoulias, Ioanni, Sfougaris, Dimitrio, Valioulis, Ioanni, Balalis, Dimitrio, Korkolis, Dimitrio, Manatakis, Dimitrios K, Kyrou, Georgio, Karabelias, Georgio, Papaskarlatos, Iason‐Antonio, Konstantina, Kolonia, Zampitis, Nikolao, Papailia, Aspasia, Theodosopoulos, Theodosio, Gkiokas, Georgio, Mitroudi, Magdalini, Panteli, Christina, Feidantsis, Thoma, Farmakis, Konstantino, Kyziridis, Dimitrio, Ioannidis, Oresti, Parpoudi, Styliani, Parasyris, Stavro, Margaritis, Michail, Aguilera‐Arevalo, Maria‐Lorena, Coyoy‐Gaitan, Otto, Rosales, Javier, Tale, Lui, Rodriguez, Servio Tulio Torre, Galvez, Carlos Paz, Cruz, Danilo Herrera, Rosenberg, Guillermo Sanchez, Matheu, Alejandro, Cohen, David Monterroso, Paul, Marie, Charles, Angeline, Lam, Justin Chak Yiu, Yeung, Man Hon Andrew, Fok, Chi Ying Jacquelyn, Li, Ka Hin Gabriel, Lai, Anthony Chuk‐Him, Cheung, Yuk Hong Eric, Wong, Hong Yee, Leung, Ka Wai, Lee, Tien Seng Bryan, Lam, Wai Him, Dao, Weihei, Kwok, Stephanie Hiu‐wai, Chan, Tsz‐Yan Katie, Ng, Yung Kok, Mak, TWC, Foo, Chi Chung, Yang, Jame, Bhatnagar, Ankur, Upadhyaya, Vijaid, Muddebihal, Uday, Dar, Wasim, Janardha, KC, Aruldas, Neerav, Adella, Fidelis Jacklyn, Rulie, Anthonius Santoso, Iskandar, Ferdy, Setiawan, Jonny, Evajelista, Cicilia Viany, Natalie, Hani, Suyadi, Arlindawati, Gunawan, Rudy, Karismaningtyas, Herlin, Mata, Lusi Padma Sulistianingsih, Andika, Ferry Fitriya Ayu, Hasanah, Afifatun, Widiastini, T Ariani, Purwaningsih, Nurlaila Ayu, Mukin, Annisa Dewi Fitriana, Rahmah, Dina Faizatur, Nurqistan, Hazmi Dwinanda, Arsyad, Hasbi Maulana, Adhitama, Novia, Jeo, Wifanto Saditya, Sutandi, Nathania, Clarissa, Audrey, Gultom, Phebe Anggita, Billy, Matthew, Haloho, Andrea, Johanna, Nadya, Lee, Felix, Dorani, Radin Mohd Nurrahman Radin, Glynn, Martha, Alherz, Mohammad, Goh, Wennweoi, Shiwani, Haaris A., Sproule, Lorraine, Conlon, Kevin C., Bala, Miklosh, Kedar, Asaf, Bianco, Federica, Steccanella, Francesca, Gallo, Gaetano, Trompetto, Mario, Clerico, Giuseppe, Papandrea, Matteo, Sammarco, Giuseppe, Sacco, Rosario, Giavarini, Luisa, Giglio, Mariano Cesare, Bucci, Luigi, Pagano, Gianluca, Sollazzo, Viviana, Peltrini, Roberto, Luglio, Gaetano, Birindelli, Arianna, Mingrone, Pietro, Selvaggi, Francesco, Selvaggi, Lucio, Pellino, Gianluca, Di Martino, Natale, Curletti, Gianluca, Aonzo, Paolo, Galleano, Raffaele, Berti, Stefano, Francone, Elisa, Boni, Silvia, Lorenzon, Laura, lo Conte, Annalisa, Balducci, Genoveffa, Confalonieri, Gianmaria, Pesenti, Giovanni, Gavagna, Laura, Vasquez, Giorgio, Targa, Simone, Occhionorelli, Savino, Andreotti, Dario, Armellini, Andrea, Chiesa, Deborah, Aquilino, Fabrizio, Chetta, Nicola, Picciariello, Arcangelo, Abdelkhalek, Mohamed, Belli, Andrea, De Franciscis, Silvia, Bigaran, Annamaria, Favero, Alessandro, Basso, Stefano M.M, Salusso, Paola, Perino, Martina, Mochet, Sylvie, Sasia, Diego, Riente, Francesco, Migliore, Marco, Basilicò, Silvia, Corbellini, Carlo, Lazzari, Veronica, Angelieri, Daniele, Coletta, Diego, Falaschi, Federica, Catani, Marco, Reali, Claudia, Malavenda, Mariastella, Del Basso, Celeste, Ribaldi, Sergio, Coletti, Massimo, Natili, Andrea, Depalma, Norma, Iannone, Immacolata, Antoniozzi, Angelo, Rossi, Davide, Gui, Daniele, Perrotta, Gerardo, Ripa, Matteo, Giardino, Francesco Ruben, Foco, Maurizio, Vicario, Erika, Nita, Gabriela Elisa, Leone, Nicoletta, Simioni, Andrea, De Boni, Davide, Pasquali, Sandro, Goldin, Elena, Vendramin, Elena, Ciccioli, Eleonora, Tedeschi, Umberto, Violi, Paola, Campagnaro, Tommaso, Conci, Simone, Lazzari, Giovanni, Iacono, Calogero, Gulielmi, Alfredo, Manfreda, Serena, Rinaldi, Anna, Ringressi, Maria Novella, Brunoni, Beatrice, Salamone, Giuseppe, Mangiapane, Mirko, De Marco, Paolino, La Brocca, Antonella, Tutino, Roberta, Silvestri, Vania, Licari, Leo, Fontana, Tommaso, Falco, Nicolò, Cocorullo, Gianfranco, Shalaby, Mostafa, Sileri, Pierpaolo, Arcudi, Claudio, Bsisu, Isam, Aljboor, Khaled, Abusalem, Lana, Alnusairat, Aseel, Qaissieh, Ahmad, Al‐Dakka, Emad, Ababneh, Ali, Halhouli, Oday, Yusufali, Taha, Mohammed, Hussein, Lando, Justu, Parker, Robert, Ndegwa, Wairimu, Gribauskaite, Jolanta, Kuliavas, Justa, Dulskas, Audriu, Samalavicius, Narimantas E., Jasaitis, Kristijona, Parseliunas, Audriu, Nevieraite, Viktorija, Slapelyte, Evelina, Dainius, Edvina, Subocius, Andreju, Venclauskas, Lina, Gulbinas, Antana, Kasputyte, Simona, Mikuckyte, Deimante, Kiudelis, Mindauga, Jankus, Toma, Petrikenas, Stepona, Pažuskis, Mata, Urniežius, Zigmanta, Vilčinskas, Manta, Banaitis, Vincas Jona, Gaižauskas, Vytauta, Grisin, Edvard, Mazrimas, Povila, Drungilas, Manta, Lagunavicius, Karoli, Lipnickas, Vytauta, Majauskyté, Dovilè, Abaliksta, Toma, Uščinas, Laimona, Simutis, Gintara, Ladukas, Adoma, Danys, Donata, Sruogiene, Elena Zdanyte, Višinskas, Petra, Žilinskienė, Reda, Dragatas, Deivida, Burmistrovas, Andriu, Tverskis, Zygimanta, Vaicius, Artura, Mazelyte, Ruta, Zadoroznas, Antana, Žiubrytė, Greta, Rahantasoa, Finaritra Casimir Fleur Prudence, Samison, Luc Hervé, Rasoaherinomenjanahary, Fanjandrainy, Tolotra, Todisoa Emmanuella Christina, Mukuzunga, Corneliu, Kwatiwani, Chimwemwe, Msiska, Nelson, Chai, Feng Yih, Asilah, Siti Mohd Desa, Syibrah, Khuzaimah Zahid, Chin, Pui Xin, Riswan, Nur Zulaika, Chong, Hoong‐Yin, Aziz, Nora Abdul, Poh, Keat‐Seong, Chai, Chu‐Ann, Kumar, Sandip, Taher, Mustafa Mohammed, Aziz, Dayang Nita Abdul, Julaihi, Rokayah, Jethwani, Durvesh Lacthman, Yahaya, Muhammad Taqiyuddin, Mathew, Susan Wndy, Chung, Kuet Jun, Nirumal, Milaksh Kumar, Tze, R. 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Y., Koay, Kean Leong, Tan, Yi Koon, Cheah, Alvin Ee Zhiun, Wong, Chui Yee, Nur'Azmah Tuan Mat, Tuan, Chow, Crystal Yern Nee, Har, Prisca A.L., Der, Yishan, Henry, Fitjerald, Low, Xinwei, Neo, Ya Theng, Heng, Hian Ee, Kong, Shu Ning, Gan, Cheewei, Mok, Yi Ting, Tan, Yee Wen, Palayan, Kandasami, Tata, Mahadevan Deva, Cheong, Yih Jeng, Gunaseelan, Kuhaendran, 'Ain Wan Mohd Nasir, Wan Nurul, Yoganathan, Pigeneswaren, Lee, Eu Xian, Saw, Jian Er, Yeang, Li Jing, Koh, Pei Ying, Lim, Shyang Yee, Teo, Shuang Yi, Grech, Nicole, Magri, Daniela, Cassar, Kristina, Mizzi, Christine, Falzon, Malcolm, Shaikh, Nihaal, Scicluna, Ruth, Zammit, Stefan, Mizzi, Sean, Brincat, Svetlana Dori, Tembo, Thelma, Le, Vu Thanh Hien, Grima, Tara, Sammut, Keith, Carabott, Kurt, Zarb, Ciskje, Navarro, Andre, Dimech, Thea, Camilleri, Georgette Marie, Bertuello, Isaac, Dalli, Jeffrey, Bonavia, Karl, Corro‐Diaz, Samantha, Manriquez‐Reyes, Marisol, Abdelhamid, Amina, Hrora, Abdelmalek, Benammi, Sarah, Bachri, Houda, Abbouch, Meryem, Boukhal, Khaoula, Bennai, Redouane Mammar, Belkouchi, Abdelkader, Jabal, Mohamed Sobhi, Benyaiche, Chaymae, Vermaas, Maarten, Duinhouwer, Lucia, Pastora, Javier, Wood, Greta, Merlo, Maria Soledad, Ajao, Akinlabi, Ayandipo, Omobolaji, Lawal, Taiwo, Abdurrazzaaq, Abdussemiu, Alada, Muslimat, Nasir, Abdulrasheed, Habeeb, Olufemi, Mendel, Henry, Bello, Bashir, Muktar, Umar, Olajide, Thomas Olagboyega, Oshati, Oyindamola, Ihediwa, George, Adenekan, Babajide, Nwinee, Victor, Lawal, Abdulrazzaq, Bode, Chri, Olugbemi, Mojolaoluwa, Odutola, Oluwatomi, Adebola, Oluwaseyi, Onuoha, Clement, Balogun, Fatai, Ajai, Olalekan, Njokanma, Iloba, Kache, Stephen, Ajah, Jonathan, Makama, Jerry, Adamu, Ahmed, Baba, Suleiman, Aliyu, Mohammad, Aliyu, Shamsudeen, Ukwenya, Yahaya, Aliyu, Halima, Sholadoye, Tunde, Daniyan, Muhammad, Ogunsua, Oluseyi, Sheshe, Abdurrahaman, Mshelbwala, Philip, Samson, Garba, Timothy, Oyediran Kehinde, Samuel, Sani Ali, Ajiboye, Anthony, Amole, Isaac, Abiola, Olajide, Olaolorun, Akin, Veen, Torhild, Kanani, Arezo, Styles, Kristian, Herikstad, Ragnar, Larsen, Johannes Wiik, Søreide, Jon Arne, Jensen, Elisabeth, Gran, Mad, Aahlin, Eirik Kju, Gaarder, Tina, Monrad‐Hansen, Peter Wiel, Næss, Pål Aksel, Lauzikas, Giedriu, Wiborg, Joachim, Holte, Silje, Augestad, Knut Magne, Banipal, Gurpreet Singh, Moe, Thomas Teten, Schultz, Johannes Kurt, Al‐taher, Taher, Hamdan, Ayah, Salman, Ayman, Saadeh, Rana, Musleh, Aseel, Jaradat, Dana, Abushamleh, Soha, Hanoun, Sakhaa, Qumbos, Amjad Abu, Hamarshi, Aseel, Taher, Ayman And, Qawasmi, Israa, Qurie, Khalid, Altarayra, Marwa, Ghannam, Mohammad, Shaheen, Alaa, Herebat, Azher, Abdelhaq, Aram, Shalabi, Ahmad, Abu‐toyour, Maram, Asi, Fatema, Shamasneh, Ala, Atiyeh, Anwar, Mustafa, Mousa, Zaa'treh, Rula, Dabboor, Majd, Alaloul, Ena, Baraka, Heba, Meqbil, Jehad, Al‐Buhaisi, Alaa, Elshami, Mohamedraed, Afana, Samah, Jaber, Sahar, Alyacoubi, Said, Abuowda, Yousef, Idress, Tasneem, Abuqwaider, Eman, Al‐saqqa, Sara, Bowabsak, Alaa, El Jamassi, Alaa, Hasanain, Doaa, Al‐farram, Hadeel, Salah, Maram, Firwana, Aya, Hamdan, Marwa, Awad, Israa, Ashour, Ahmad, Al Barrawi, Fayez Elian, Al‐khatib, Ahmed, Al‐faqawi, Maha, Fares, Mohamed, Elmashala, Amjad, Adawi, Mohammad, Adawi, Ihdaa, Khreishi, Reem, Khreishi, Rose, ashour, Ahmad, Ghaben, Ahed, Nadeem, Najwa, Saqlain, Muhammad, Abbasy, Jibran, Alvi, Abdul Rehman, Shahzad, Noman, Butt, Muhammad Talha, Asaat ul Razi, Syed, Ahmed, Asdaq, Niazi, Ali Khan, Raza, Ibrahim, Baluch, Fatima, Raza, Ahmed, Bani‐Sadar, Ahmad, Adil, Muhammad, Raza, Awai, Javaid, Mahnoor, Waqar, Muhammad, Khan, Maryam Ali, Arshad, Mohammad Mohsin, Amjad, Mohammadasim, Cardozo, Jorge Torre, Roche, Marcelo O'Higgin, Servin, Gustavo Rodolfo Pertersen, Lopez, Larissa Ines Páez, Cardozo, Ramón Augusto Melo, Espinoza, Fernando, Rojas, Angel David Pérez, Sanchez, Diana, Samaniego, Camila Sanchez, Torres, Shalon Guevara, Calua, Alexander Canta, Razuri, Cesar, Ortiz, Nadia, Rodriguez, Xianelle, Carrasco, Nahilia, Saravia, Fridiz, Miyasato, Hector Shibao, Valcarcel‐Saldaña, María, Bermúdez, Ysabel Esthefany Alejo, Carpio, Juan, Panez, Walter Ruiz, Orbegozo, Pedro Angel Toribio, Dueñas, Carolina Guzmán, Espinoza, Kevin Turpo, Barrantes, Ana Maria Sandoval, Bravo, Jorge Armando Chungui, Fuentes‐Rivera, Lorena, Fernández, Carmen, Málaga, Bárbara, Ye, Joselyn, Velasquez, Ricardo, Salcedo, Jannin, Contreras‐Vergara, Ana Lucia, Mejia, Angelica Genoveva Vergara, Montejo, Maria Soledad Gonzale, Salas, Marilia Del Carmen Escalante, Ticona, Willy Alcca, Vargas, Marvin, Sila, George Christian Manrique, Mas, Robinson, Pilar Paucar, Arazzelly, Velásquez, Armando José Román, Robledo‐Rabanal, Alina, Solis, Ludwing Alexander Zeta, Espinoza, Kenny Turpo, Hamaguchi, José Luis Hamasaki, Farfan, Erick Samuel Florez, Barrientos, Linda Alvi Madrid, Matta, Juan Jaime Herrera, Mora, John Jemuel V., Redota, Menold Archee P., Roxas, Manuel Francisco, Maño, Maria Jesusa B., Parreno‐Sacdalan, Marie Dione, Almanon, Christel Leanne, Walędziak, Maciej, Roszkowski, Rafał, Janik, Michał, Lasek, Anna, Radkowiak, Dorota, Rubinkiewicz, Mateusz, Fernandes, Cristina, Muntean, Liviu, Popa, Mariuca, Mircea, Hogea, Diaconescu, Bogdan, Bratu, Matei Razvan, Negoi, Ionut, Ciubotaru, Cezar, Uzabumwana, Norbert, Duhoranenayo, Dieudonne, Idris, Faisal, Alghamdi, Mohammed Saleh A., Maghrabi, Ashraf, Alkaaki, Aroub, Turkustani, Sondo, Khalifah, Eyad, Albiety, Adel, Sahel, Sarah, Alshareef, Reham, Alzahrani, Mohammed Najjar Ahmed, Alghamdi, Ahmed, Alhazmi, Wedyan, Al Saied, Ghiath, Alamoudi, Mohammed, Riaz, Muhammed Masood, Alhassan, Basmah, Altamimi, Abdullah, Alyahya, Reem, Al Subaie, Norah, Al Bastawis, Fatema, Khan, Roaa, Radojkovic, Milan, Jeremic, Ljiljana, Nestorovic, Milica, Law, Jia Hao, Tan, Keith Say Kwang, Tan, Ryan Choon Kiat, Tan, Joel Kin, Joel, Lau Wen Liang, Chan, Xue Wei, Leong, Faith Qi Hui, Chong, Choon Seng, Koh, Sharon, Lee, Kai Yin, Lee, Kuok Chung, Pluke, Kent, Dedekind, 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Ruth, Andriola, Valeria, Contreras, Elisa, Bernardo, Carmen García, Sanz, Sandra, León, Alberto Miyar, Dorismé, Asnel, Rodicio, Joselui, Suarez, Aida, Stuva, Jessica, Vico, Tamara Diaz, Fernandez‐Vega, Laura, Soldevila‐Verdeguer, Carla, Sena‐Ruiz, Fatima, Pujol‐Cano, Natalia, Diaz‐Jover, Paula, Garcia‐Perez, José Maria, Segura‐Sampedro, Juan Jose, Pineño‐Flores, Cristina, Ambrona‐Zafra, David, Craus‐Miguel, Andrea, Jimenez‐Morillas, Patricia, Mazzella, Angela, Jayathilake, A.B, Thalgaspitiya, S.P.B, Wijayarathna, L.S., Wimalge, P.M.S.N., Sanni, Hakeem Ayomi, Okenabirhie, Ogheneochuko, Homeida, Anmar, Younis, Abobaker, Omer, Omer Abdelbagi, Abdulaziz, Mustafa, Mussad, Ali, Adam, Ali, Sokratous, Aresti, Breistrand, Michaela, Sigurdadottir, Johanna, Nikberg, Maziar, Chabok, Abba, Elbe, Peter, Saraste, Deborah, Rutkowski, Wiktor, Forlin, Louise, Niska, Karoliina, Oswald, Denni, Peros, Georgio, Bluelle, Rafael, Reinisch, Katharina, Frey, Daniel, Palma, Adrian, Zumbühl, Luciu, Werder, Gabriela, Mahanty, Silke, Widmer, Lukas Werner, Müller, Julia, Gübeli, Alissa, Zuk, Grzegorz, Gulcicek, Osman Bilgin, Vartanoglu, Talar, Kose, Emin, Karahan, Servet Rustu, Aydin, Mehmet Can, Sahbaz, Nuri Alper, Halicioglu, Ilkay, Alis, Halil, Sapci, Ipek, Adıyaman, Can, Pektaş, Ahmet Murat, Cengiz, Turgut Bora, Tansoker, Ilkan, Işler, Vedatcan, Cevik, Muazzez, Mutlu, Deniz, Ozben, Volkan, Ozmen, Berk Bari, Bayram, Sefa, Yolcu, Sinem, Kobal, Berna Buse, Toto, Ömer Faruk, Çakaloğlu, Haluk Cem, Karabulut, Kagan, Mutlu, Vahit, Celik, Saban, Semiz, Anil, Bodur, Selim, Gül, Enisburak, Murutoglu, Busra, Yildirim, Reyyan, Baki, Bahadir Emre, Arslan, Ekin, Ulusahin, Mehmet, Guner, Ali, Walker, Nathan, Shrimanker, Nikhita, Cole, Simon, Breslin, Ryan, Srinivasan, Ravi, Hunter, Kristina, Al‐Bahrani, Ahmed, Mairs, Nora Grace, Rocke, Alistair, Dick, Lachlan, Qureshi, Mobeen, Chowdhury, Debkumar, Wright, Naomi, Skerritt, Clare, Kufeji, Dorothy, Ho, Adrienne, Dissanayake, Tharindra, Tennakoon, Athula, Ali, Wadah, Tan, Charlene, O'Neill, Stephen, Knight, Stephen, Nassif, Dima, Sharma, Abhishek, White, Rebecca, Mehdi, Aia, Post, Nathan, Kalakouti, Eliana, Dashnyam, Enkhbat, Stourton, Frederick, Mykoniatis, Ioanni, Wong, Francisca, Gupta, Ashish, Shatkar, Veeranna, Kadiwar, Suraj, Smedley, Alexander, Wakefield, Rebecca, Herrod, Philip, Blackwell, Jame, Cohen, Fraser, Bandi, Ashwath, Bond‐Smith, Gile, Farhangmehr, Neda, Perenyei, Miklo, Ireland, Philip, Bowling, Kirk, Bunting, David, Longstaff, Lydia, Keogh, Kenneth, Jeon, Hyunjin, Iqbal, Muhammad Rafaih, Khosla, Shivun, Jeffery, Anna, Perera, Jame, Alhammali, Tariq, Oram, Shaun, Kidd, Thoma, Cullen, Fraser, Owen, Christopher, Wilson, Michael, Chiu, Seehui, Sarafilovic, Hannah, Ploski, Jennifer, Evans, Elizabeth, Abbas, Athar, Kamya, Sylvia, Ishak, Norzawani, Bisset, Carly, Andress, Cedar, Chin, Ye Ru, Patel, Priya, Evans, David, Haslegrave, Aidan, Boggon, Adam, Laurie, Kirsten, Mann, Thoma, Mansuri, Anahita, Davies, Rachel, Shahbaz, Aized Raza, Eng, Calvin, Din, Farhat, L'Heveder, Ariadne, Park, Esther H.G., Ravishankar, Ramanish, McIntosh, Kirsten, Yau, Jih Dar, Chan, Luke, McGarvie, Susan, Tang, Lingshan, Lim, Hui, Yap, Suhhuey, Park, Jay, Ng, Zhan Herr, Mirza, Shahrukh, Ang, Yun Lin, Walls, Luke, Roy, Chloe, Paterson‐Brown, Simon, Mclean, Kenneth, D'Souza, Michelle S, Pronin, Savva, Henshall, David Ewart, Ter, Eunice Zuling, English, William, Morgan, Catrin, Townsend, Dominic, Maciejec, Laura, Mahdi, Shareef, Akpenyi, Onyinye, Hall, Elisabeth, Caydiid, Hanaan, Rob, Zakaria, Abbott, Tom, Torrance, Hew D, Johnston, Robin, Gani, Mohammed Akil, Rajmohan, Shivanchan, Majid, Kiran, Smith, Christopher, Palliyil, Madanmohan, Patel, Sanjay, Nicholson, Luke, Harvey, Neil, Shillito, Sam, Kershaw, Suzanne, Bamford, Rebecca, Orton, Peter, Reunis, Elke, Jama, Guled M., Dhillon, Dharminder, Patel, Khyati, Nanthakumaran, Shayanthan, Heard, Rachel, Chen, Kar Yan, Barmayehvar, Behrad, Datta, Uttaran, Kamarajah, Sivesh K, Tani, Sobhana Iftekhar, Donnelly, Philippa, Walker, Michael, Blacker, Sarah, Kaul, Anil, Paramasivan, Arjun, Farag, Sameh, Nessa, Ashrafun, Awadallah, Salwa, Lim, Jieqi, Ng, James Chean Khun, Kiran, Ravi P., Murray, Alice, Dasari, Mohini, Puyana, Juan, Haddad, Nadeem, Zielinski, Martin, Choudhry, Asad, Caliman, Celeste, Beamon, Mieshia, Duane, Therese, Myers, Jonathan, Deal, Rebecca, Makupe, Alex, Musowoya, Joseph, Van Der Naald, Niel, Kumwenda, Dayson, Reece‐Smith, Alex, Otten, Kar, Verbeek, Anna, Prins, Marloe, Suarez, Alibeth Andres Baquero, Deane, Chelsea, Dijan, Emilio, Elfiky, Mahmoud, Koskenvuo, Laura, Thollot, Aurore, Limoges, Bernard, Capito, Carmen, Alexandre, Challine, Kotobi, Henri, Leroux, Julien, Pinnagoda, Kalitha, Henric, Nicola, Azzis, Olivier, Rosello, Olivier, Francois, Poddevin, Etienne, Sara, Buisson, Philippe, Hmila, Sophian, Clegg‐Lamptey, Joe‐Nat, Imoro, Osman, Abem, Owusu Emmanuel, Papageorgiou, Dimitrio, Soulou, Vasiliki, Asturias, Sabrina, Peña, Lenin, O'Connor, Donal B, Luc, Alberto Reali, Russo, Alfio Alessandro, Ruzzenente, Andrea, Taddei, Antonio, Cona, Camilla, Bottini, Corrado, Pascale, Giovanni, Rotunno, Giuseppe, Solaini, Leonardo, Pascale, Marco Maria, Notarnicola, Margherita, Corbellino, Mario, Sacco, Michele, Ubiali, Paolo, Cautiero, Roberto, Bocchetti, Tommaso, Muzio, Elena, Guglielmo, Vania, Morandi, Eugenio, Mao, Patrizio, De Luca, Emilia, Ali, Farah Mahmoud, Žilinskas, Justa, Kondrotas, Pauliu, Baltrunas, Roberta, Kutkevicius, Juoza, Ignatavicius, Povila, Tan, Choy Ling, Siaw, Jia Yng, Yam, Sir Young, Wilson, Ling, Aziz, Mohamed Rezal Abdul, Bondin, John, Zorrilla, Carmina Diaz, Majbar, Ana, Sale, Danjuma, Abdullahi, Lawal, Osagie, Olabisi, Faboya, Omolara, Fatuga, Adedeji, Taiwo, Agboola, Nwabuoku, Emeka, Bliksøen, Marte, Khan, Zain Ali, Coronel, Jazmin, Miranda, Cesar, Vasquez, Idelso, Helguero‐Santin, Luis M., Rickard, Jennifer, Adedeji, Adesina, Alqahtani, Saleh, Rath, Max, Van Niekerk, Michael, Koto, Modise Zacharia, Matos‐Puig, Roel, Israelsson, Leif, Schuetz, Tobia, Yuksek, Mahmut Arif, Mericliler, Meric, Uluşahin, Mehmet, Yong, Guo Liang, Whitehurst, Katharine, Redgrave, Natalie, Musyoka, Caroluce K, Olivier, Jame, Lee, Kathryn, Cox, Michael, Farhan‐Alanie, Muhamed M H, Callan, Rory, Chibuye, Chali, Ali, Tebian Hassanein Ahmed, Rekhis, Syrine, Rommaneh, Muna, Sam, Zi Hao, Chen, Jacky Hong Chieh, Roi, Dylan, Pugliesi, Thays Brunelli, Pardo, Gabriel, Blanco, Ruth, Escobar, Eugenio Grasset, GlobSurg Collaboration, Group, and Sileri, P
Subjects: Male, modelos logísticos, medicine.medical_treatment, humanos, surgial care, Colorectal Neoplasm, países desarrollados, Logistic regression, outcomes, Global Health, urgencias médicas, 0302 clinical medicine, países en desarrollo, Surgical, estudios prospectivos, Colostomy, 80 and over, globalsurg, 030212 general & internal medicine, Prospective Studies, Prospective cohort study, Multivariate Analysi, mediana edad, Cancer, Aged, 80 and over, Emergencie, anciano, Anastomosis, colorectal resection, colostomy, Anastomosis, Surgical, General Medicine, Middle Aged, adulto, colostomy, colorectal cancer, human developlment index, 3. Good health, Colo-Rectal Cancer, traditional healers, Elective Surgical Procedures, 030220 oncology & carcinogenesis, Female, Colorectal Neoplasms, 6.4 Surgery, low income, Cohort study, Human, Developed Countrie, Adult, Aged, Emergencies, Humans, Logistic Models, Multivariate Analysis, Developed Countries, Developing Countries, medicine.medical_specialty, neoplasias colorrectales, Logistic Model, cancer, anastomosis, surgical, income, stomas, colostomy procedure, colorectal resection, end colostomy, emergency surgical procedure, human development index, delay, Anastomosis, Perforation (oil well), lcsh:Surgery, GlobalSurg Collaborative, NO, 03 medical and health sciences, Case mix index, Clinical Research, medicine, cancer, análisis multifactorial, emergency abdominal surgery, low income, surgial care, traditional healers, cancer, mortality, outcomes, delay, Elective Surgical Procedure, business.industry, Kirurgi, left colon resection, anastomosis, end colostomy, Evaluation of treatments and therapeutic interventions, lcsh:RD1-811, Odds ratio, mortality, Surgery, Prospective Studie, business, Digestive Diseases, colostomía, emergency abdominal surgery
Abstract: Background: End colostomy rates following colorectal resection vary across institutions in high-income settings, being influenced by patient, disease, surgeon and system factors. This study aimed to assess global variation in end colostomy rates after left-sided colorectal resection. Methods: This study comprised an analysis of GlobalSurg-1 and -2 international, prospective, observational cohort studies (2014, 2016), including consecutive adult patients undergoing elective or emergency left-sided colorectal resection within discrete 2-week windows. Countries were grouped into high-, middle- and low-income tertiles according to the United Nations Human Development Index (HDI). Factors associated with colostomy formation versus primary anastomosis were explored using a multilevel, multivariable logistic regression model. Results: In total, 1635 patients from 242 hospitals in 57 countries undergoing left-sided colorectal resection were included: 113 (6.9 per cent) from low-HDI, 254 (15.5 per cent) from middle-HDI and 1268 (77.6 per cent) from high-HDI countries. There was a higher proportion of patients with perforated disease (57.5, 40.9 and 35.4 per cent; P, Medical Research Council, MR/N022114/1; National Institute for Health Research, 16/136/79
Published: 2019

13. The Correlated Pseudo-Marginal Method

Author: Arnaud Doucet, Georgios Deligiannidis, and Michael K. Pitt
Subjects: Statistics and Probability, FOS: Computer and information sciences, 05 social sciences, Monte Carlo method, Bayesian probability, Estimator, Ratio estimator, Bayesian inference, Statistics - Computation, 01 natural sciences, Statistics::Computation, 010104 statistics & probability, Metropolis–Hastings algorithm, 0502 economics and business, Applied mathematics, 0101 mathematics, Statistics, Probability and Uncertainty, Likelihood function, Particle filter, Computation (stat.CO), 050205 econometrics, Mathematics
Abstract: The pseudo-marginal algorithm is a popular variant of the Metropolis--Hastings scheme which allows us to sample asymptotically from a target probability density $\pi$, when we are only able to estimate an unnormalized version of $\pi$ pointwise unbiasedly. It has found numerous applications in Bayesian statistics as there are many scenarios where the likelihood function is intractable but can be estimated unbiasedly using Monte Carlo samples. Using many samples will typically result in averages computed under this chain with lower asymptotic variances than the corresponding averages that use fewer samples. For a fixed computing time, it has been shown in several recent contributions that an efficient implementation of the pseudo-marginal method requires the variance of the log-likelihood ratio estimator appearing in the acceptance probability of the algorithm to be of order 1, which in turn usually requires scaling the number $N$ of Monte Carlo samples linearly with the number $T$ of data points. We propose a modification of the pseudo-marginal algorithm, termed the correlated pseudo-marginal algorithm, which is based on a novel log-likelihood ratio estimator computed using the difference of two positively correlated log-likelihood estimators. We show that the parameters of this scheme can be selected such that the variance of this estimator is order $1$ as $N,T\rightarrow\infty$ whenever $N/T\rightarrow 0$. By combining these results with the Bernstein-von Mises theorem, we provide an analysis of the performance of the correlated pseudo-marginal algorithm in the large $T$ regime. In our numerical examples, the efficiency of computations is increased relative to the standard pseudo-marginal algorithm by more than 20 fold for values of $T$ of a few hundreds to more than 100 fold for values of $T$ of around 10,000-20,000., Comment: 78 pages, 8 figures, 4 tables
Published: 2018

14. TCT-270 Incidence and Outcomes of Bailout Stenting Following Use of Sirolimus Drug-Coated Balloon

Author: Kaeng W. Lee, Sandeep Basavarajaiah, Handi Salim, George Pulikal, Richard Watkin, Jerome Ment, Bethan Freestone, Gurbir Bhatia, Michael K. Pitt, Sampath Athukorala, and Ishaq Mohammed
Subjects: medicine.medical_specialty, Drug coated balloon, Double dose, business.industry, Incidence (epidemiology), medicine.medical_treatment, Stent, equipment and supplies, Balloon, Surgery, surgical procedures, operative, Sirolimus, medicine, cardiovascular diseases, Cardiology and Cardiovascular Medicine, business, Drug toxicity, medicine.drug, Bailout
Abstract: Bailout stenting post–paclitaxel drug-coated balloon use (DCB) is done with a limus-eluting stent, as we no longer use the paclitaxel-eluting stent. However, when using sirolimus DCB, bailout stenting is done with a limus-eluting stent, but this raises the issue of drug toxicity with a double dose
Published: 2019

15. TCT-262 Use of Sirolimus-Coated Balloon in Small Vessel De Novo Lesions: Midterm Follow-Up From a Single-Center Registry

Author: Kaeng W. Lee, Handi Salim, Richard Watkin, Bethan Freestone, Sandeep Basavarajaiah, George Pulikal, Sampath Athukorala, Ishaq Mohammed, Jerome Ment, Michael K. Pitt, and Gurbir Bhatia
Subjects: business.industry, Sirolimus, Medicine, Small vessel, Cardiology and Cardiovascular Medicine, business, Single Center, Balloon, Nuclear medicine, medicine.drug
Abstract: Use of drug-coated balloon (DCB) in de novo lesions is usually preferred in small vessels, and the recently reported Basket small 2 trial showed that DCBs were noninferior to second-generation DES. All the available data DCBs in de novo lesions have been extrapolated from paclitaxel-eluting balloons
Published: 2019

16. TCT-268 Midterm Clinical Outcomes Post–Sirolimus-Coated Balloon Angioplasty in Patients With Coronary Artery Disease: Single Center Experience

Author: Richard Watkin, Sandeep Basavarajaiah, Bethan Freestone, Handi Salim, Sampath Athukorala, George Pulikal, Michael K. Pitt, Ishaq Mohammed, Gurbir Bhatia, Jerome Ment, and Kaeng W. Lee
Subjects: medicine.medical_specialty, business.industry, medicine.medical_treatment, equipment and supplies, Single Center, medicine.disease, Balloon, Surgery, Coronary artery disease, chemistry.chemical_compound, surgical procedures, operative, Paclitaxel, chemistry, Sirolimus, Angioplasty, medicine, In patient, cardiovascular diseases, Cardiology and Cardiovascular Medicine, business, medicine.drug
Abstract: Use of drug-coated balloons (DCBs) in coronary intervention is escalating. Most available DCBs elute paclitaxel, and there is a plethora of data on them. However, we prefer limus-eluting over paclitaxel-eluting stents. There is very limited data on sirolimus-eluting DCBs. MagicTouch (Concept Medical
Published: 2019

17. Filtering via Simulation: Auxiliary Particle Filters

Author: Neil Shephard and Michael K. Pitt
Subjects: Statistics and Probability, Mathematical optimization, Series (mathematics), Economics, Markov chain Monte Carlo, symbols.namesake, Prior probability, Outlier, symbols, State space, Probability distribution, Statistics, Probability and Uncertainty, Particle filter, Algorithm, Auxiliary particle filter, Mathematics
Abstract: This article analyses the recently suggested particle approach to filtering time series. We suggest that the algorithm is not robust to outliers for two reasons: the design of the simulators and the use of the discrete support to represent the sequentially updating prior distribution. Here we tackle the first of these problems.
Published: 2016

18. Mortality of emergency abdominal surgery in high-, middle- and low-income countries

Author: J E, F Fitzgerald, Khatri, C, C Glasbey, J, Mohan, M, Lilford, R, M Harrison, E, Holmer, H, Hall, N, S-H, Kim, Negida, A, Jaffry, Z, J Chapman, S, Shu, S, Shiwani, H, Jeyakumar, J, Fermani, C, Balmaceda, R, M Marta Modolo, Macdermid, E, Gobin, N, Chenn, R, C Ou Yong, Edye, M, Jarmin, M, K D'amours, S, Iyer, D, Youssef, D, Phillips, N, Brown, J, George, R, Koh, C, Warren, O, Hanley, I, Dickfos, M, Nawara, C, Öfner, D, Primavesi, F, R Mitul, A, Mahmud, K, Hussain, M, Hakim, H, Kumar, T, Oosterkamp, A, A Assouto, P, Lawani, I, Y Imorou Souaibou, A Kyaw Tun, C Leung Chong, H Devadasar, G, M Rashid Minhas Qadir, K Phyo Aung, L Shi Yeo, D Palomino Castillo, V, M Moron Munhoz, Moreira, G, C Barros De Castro Segundo, L, S Anderson Khouri Ferreira, M Cassa Careta, S Binna Kim, A Venâncio De Sousa, A Daltri Lazzarini Cury, G Peixoto Soares Miguel, A Vega Carreiro De Freitas, B Pereira Silvestre, J Guasti Pinto Vianna, C Oliveira Felipe, L Alberto Valente Laufer, Altoe, F, L Ayres Da Silva, L Pimenta, M, T Fernandes Giuriato, P Alves Bezerra Morais, J Souza Luiz, Araujo, R, Menegussi, J, Leal, M, C Vinícius Barroso de Lima, L Sarmento Tatagiba, Leal, A, D Vinicius Dos Santos, G Pereira Fraga, R Lages Simoes, Stock, S, Nigo, S, Kabba, J, T Ebogo Ngwa, King, S, Zani, A, Azzie, G, Firdouse, M, Kushwaha, S, Agarwal, A, Bailey, K, Cameron, B, Livingston, M, Horobjowsky, A, L Deckelbaum, D, T Razek, B Marinkovic, Grasset, E, D'Aguzan, N, Jimenez, J, Macchiavello, R, Zhang, Z, Guo, W, J, Oh, Zheng, F, Montes, I, Sierra, S, Mendez, M, I Villegas, M, C Mendoza Arango, M, Mendoza, I, A Naranjo Aristizã Bal, F, A Montoya Botero, J, M Quintero Riaza, V, Restrepo, J, Morales, C, Cruz, H, Munera, A, Karlo, R, Domini, E, Mihanovic, J, Radic, M, Zamarin, K, Pezelj, N, Hache-Marliere, M, S Batista Lemaire, Rivas, R, Khyrallh, A, Hassan, A, Shimy, G, A Baky Fahmy, M, Nabawi, A, S Ali Muhammad Gohar, M, Elfil, M, Ghoneem, M, Asal, M, Abdelkader, M, Gomah, M, Rashwan, H, Karkeet, M, Gomaa, A, Hasan, A, Elgebaly, A, Azzam, O, Abdelfattah, A, Gouda, A, Elshafay, A, Gharib, A, Menshawy, A, Hanafy, M, Al-Mallah, A, Abdulgawad, M, Baheeg, M, Alhendy, M, A Fattah, I, Kenibar, A, Osman, O, Gemeah, M, Mohammed, A, Adel, A, Sayed, A, Abozaid, M, A Hafez El-Badri Kotb, A Ahmed Ata, A, Nasr, M, Alkammash, A, Saeed, M, N Abd El Hamid, M Attia, A, A Abd El Galeel, Elbanby, E, K Salah El-Dien, Hantour, U, Alahmady, O, Mansour, B, M Elkorashy, A, M Saeed Taha, E, T Lasheen, K, S Said Elkolaly, N Yosri Elsayed Abdel-Wahab, A Fathi Abozyed, M, M Saeed, A, G Samir El Sayed, H Youssif, J, S Magdy Ahmed, N Soubhy El-Shahat, A Hegazy Khedr, A Osama Elsebaaye, Elzayat, M, Abdelraheim, M, Elzayat, I, Warda, M, K Naser El Deen, A Essam Elnemr, Salah, O, Abbas, M, Rashad, M, Elzayyat, I, Hemeda, D, Tawfik, G, Salama, M, Khaled, H, Seisa, M, Elshaer, K, Hussein, A, Elkhadrawi, M, M Afifi, A, O Saadeldeen Ebrahim, M Metwally, M, Elmelegy, R, M Elbendary Elsawahly, D, Safa, H, Nofal, E, Elbermawy, M, M Abo Raya, A Abdelmotaleb Ghazy, Samih, H, Abdelgelil, A, Abdelghany, S, A El Kholy, Elkady, F, Salma, M, Samy, S, Fakher, R, Aboarab, A, Samir, A, Sakr, A, Haroun, A, A Abdel-Rahman Al-Aarag, Elkholy, A, Elshanwany, S, Ghanem, E, Tammam, A, M Hammad, A, Y El Shoura, G El Ashal, Khairy, H, Antar, S, Mehrez, S, Abdelshafy, M, M Gamal Mohamad Hamad, M Farid Hosh, Abdallah, E, Magdy, B, Alzayat, T, Gamaly, E, Elfeki, H, Abouzahra, A, Elsheikh, S, Elgendy, F, F Abd El-Salam, Seifelnasr, O, Ammar, M, Eysa, A, Sadek, A, A Gamal Toeema, Shady, K, Nasr, A, Abuseif, M, Zidan, H, S Abd Elmageed Barakat, Elsayed, N, Y Abd Elrasoul, Elkelany, A, M Sabry Ammar, Mustafa, M, Hegazy, Y, Etman, M, Saad, S, Alrahawy, M, Raslan, A, Morsi, M, Rslan, A, Sabry, A, Elwakil, H, Shaker, H, Abd-Elrasoul, Y, El-Kashef, H, Shaalan, M, Tarek, A, Elwan, A, A Ragab Nayel, Seif, M, Emadeldin, D, M Ali Ghonaim, Almallah, A, Fouad, A, E Adel Sayma, Elbatahgy, A, A Solaiman El-Ma'doul, Mosad, A, Tolba, H, A Amin Elsorogy, D, H Ali Mostafa, A Atef Omar, O Sherief Abd El Hameed, Lasheen, A, Y Abd El Salam, Morsi, A, Ismail, M, H Ahmed El-Badawy, Amer, M, A Sabry El-Hamouly, N Ahmed Attallah, Mosalum, O, Afandy, A, Mokhtar, A, Abouelnasr, A, Ayad, S, Shaker, R, Sakr, R, Amreia, M, Elsobky, S, A Abo El Magd, Marey, A, A Tarek Hafez, Zalabia, M, M Moamen Mohamed, Fadel, A, E Ali Ahmed, Ali, A, M Ghassan Alwafai, Dwydar, A, Kharsa, S, Mamdouh, E, El-Sheemy, H, Youssef, I, A Khairy Aly, Aldalaq, A, Alnawam, E, Alkhabbaz, D, Saad, M, Hussein, S, A Abo Elazayem, Ramadan, A, Elashmawy, M, Mousa, M, Nashaat, A, Ghanem, S, Oof, Z, Elwaey, A, Elkadsh, I, Darweesh, M, Mohameden, A, Hafez, M, Badr, A, Badwy, A, M Abd El Slam, Elazoul, M, Al-Nahrawi, S, Eldamaty, L, Nada, F, Ameen, M, Hagar, A, Elsehimy, M, Aboraya, M, Dawoud, H, S El Mesery, A El Gendy, Abdelkareem, A, A Safwan Marey, Allam, M, Shehata, S, Abozeid, K, Elshobary, M, Fahiem, A, Sarsik, S, Hashish, A, Zidan, M, Hashish, M, Sanad, A, Mesalam, M, Aql, S, A Osman Abdelaziz Elhendawy, Husseini, M, Kasem, E, Gheith, A, Elfouly, Y, A Ragab Soliman, Ibrahim, Y, Elfouly, N, Fawzy, A, Rashid, M, A Salah Elsherbiny, Sieda, B, Badwi, N, M Hassan Mohammed, M, Mohamed, O, M Abdulkhalek Habeeb, Worku, M, Starr, N, Desta, S, Wondimu, S, S Abebe, N, Thomas, E, A Asele, F, Dabessa, D, N Seyoum Abebe, B Zerihun, A, Mentula, P, Leppäniemi, A, Sallinen, V, Scalabre, A, Frade, F, Irtan, S, Graffeille, V, Gaignard, E, Alimi, Q, Graffieille, V, Abbo, O, Mouttalib, S, Bouali, O, Hervieux, E, Aigrain, Y, Botto, N, Faure, A, Fievet, L, Panait, N, Eyssartier, E, Schmitt, F, Podevin, G, Parent, V, Martin, A, P Arnaud, A, Muller, C, Bonnard, A, Peycelon, M, Abantanga, F, Boakye-Yiadom, K, Bukari, M, Owusu, F, Awuku-Asabre, J, Tabiri, S, D Bray, L, Lytras, D, Psarianos, K, Bamicha, A, Kefalidi, E, Gemenetzis, G, Dervenis, C, Gouvas, N, Agalianos, C, Kontos, M, Kouraklis, G, Karousos, D, Germanos, S, Marinos, C, Anthoulakis, C, Nikoloudis, N, S Mitroudis, N, Recinos, G, Estupinian, S, Forno, W, R Arévalo Azmitia, J, C Ramã Rez Cabrera, C, Guevara, R, Aguilera, M, Mendez, N, A Azmitia Mendizabal, C, Ramazzini, P, M Contreras Urquizu, Tale, F, Soley, R, Barrios, E, E Marroquín Rodríguez, D, I Pérez Velásquez, C, M Contreras Mérida, S, Regalado, F, Lopez, M, Siguantay, M, Y Lam, F, K J-Y Szeto, C C, L Szeto, S Li, W, K K, K Li, F Leung, M, Mak, T, S, Ng, S Prasad, S, Kirishnan, A, Gyanchandani, N, Bhat, S, Sreedharan, A, V Kinnera, S, S Kumar, B, Rangarajan, M, Reddy, Y, Venugopal, C, Kumar, S, Mittal, A, Nadkarni, S, N Lakshmi, H, Malik, P, Limaye, N, Pai, S, Jain, P, Khajanchi, M, Satoskar, S, Satoskar, R, Abid Bin Mahamood, P Refianti Sutanto, E, A Soeselo, D, Tedjaatmadja, C, N Rahmawati, F, Amandito, R, Mayasari, M, R K, M Jawad Al-Hasani, I Ibraheem Al-Hameedi, H, A Aziz Al-Azraqi, I, Sabeeh, L, Kamil, R, Shawki, M, M Mezeil Telfah, Rasendran, A, Sheehan, J, Kerley, R, Normile, C, W Gilbert, R, Song, J, Dablouk, M, Mauro, L, O Dablouk, M, Hanrahan, M, Kielty, P, Marks, E, Gosling, S, Mccarthy, M, Mirghani, D, S Altaf Naqvi, S Wong, C, Chung, S, D'Cruz, R, Cahill, R, G Gosling, S, Fahy, C, D Duarte Cadogan, Powell, A, Gilbert, R, Clifford, C, Driscoll, A, Stassen, P, Lee, C, Bowe, R, Hutch, W, Mohan, H, O'Neill, M, Mealy, K, Danelli, P, Bondurri, A, Maffioli, A, Pasini, M, Pata, G, Roncali, S, Silvani, P, Carlucci, M, Faccincani, R, Bonavina, L, Macchitella, Y, Ceriani, C, Tugnoli, G, S Di Saverio, Khattab, K, M Angel Paludi, Pata, D, L Maria Cloro, Allegri, A, Ansaloni, L, Coccolini, F, Veronese, E, Bortolasi, L, Hasheminia, A, Nastri, G, M Dal Canto, Cucumazzo, S, Pata, F, Benevento, A, Tessera, G, P Paolo Grandinetti, Maniscalco, A, G Luca Lamanna, Turati, L, Sgroi, G, Rausa, E, Villa, R, Monteleone, M, Merlini, D, Grassi, V, Cirocchi, R, Cacurri, A, Waleed, H, Diab, A, Elzowawi, F, Jokubauskas, M, Varkalys, K, Venskutonis, D, Pranevicius, R, Ambrozeviciute, V, Juciute, S, Skardžiukaitė, A, Bradulskis, S, Urbanavicius, L, Austraite, A, Riauka, R, Zilinskas, J, Dambrauskas, Z, Karumnas, P, Urniezius, Z, Zilinskiene, R, Rudzenskaite, A, Usaityte, A, Montrimaite, M, Kaselis, N, Strazdas, A, Jokubonis, K, Maceviciute, K, Laugzemys, E, Kolosov, A, Jotautas, V, Rakita, I, Mikalauskas, S, Kazanavicius, D, Rackauskas, R, Strupas, K, Poskus, T, Beisa, V, Rakauskas, R, Preckailaite, E, Coomber, R, Johnson, K, Nowers, J, Periasammy, D, Salleh, A, Das, A, R Goh Ern Tze, M Nirumal Kumar, A Nik Abdullah, N, R Kosai, N, Taher, M, Rajan, R, Y Chong, H, C Roslani, A, C Goh, C, Agius, M, Borg, E, Bezzina, M, Bugeja, R, Vella-Baldacchino, M, Spina, A, Psaila, J, Francois-Coridon, H, Tolg, C, J-F, Colombani, Diaz-Zorrilla, C, A Ramos-De La Medina, S Corro-Diaz Gonzalez, Jacobe, M, Mapasse, D, Snyder, E, Oumer, R, Osman, M, Mohammad, A, L-J, Anyanwu, Sheshe, A, Adesina, A, Faturoti, O, Taiwo, O, M Habib Ibrahim, A Nasir, A, S Itopa Suleiman, Adeniyi, A, Adesanya, O, Adebanjo, A, Osuoji, R, Atobatele, K, Ogunyemi, A, Wiliams, O, Oludara, M, Oshodi, O, Ademuyiwa, A, A Oluwagbemiga Lawal, Alakaloko, F, Elebute, O, Osinowo, A, Bode, C, Adesuyi, A, Tade, A, Adekoya, A, Nwokoro, C, O Ayandipo, O, T Akeem Lawal, E Ajao, A, S Sani Ali, Odeyemi, B, Olori, S, Popoola, A, Adeyeye, A, Adeniran, J, J Lossius, W, Havemann, I, Thorsen, K, K Narvestad, J, Søreide, K, B Wold, T, Nymo, L, Elsiddig, M, Dar, M, F Bhopal, K, Iftikhar, Z, M Furqan, M, Nighat, B, Jawaid, M, Khalique, A, Zil-E-Ali, A, Rashid, A, H Abbas Dharamshi, Naqvi, T, Faraz, A, W Anwar, A, T Muhammad Yaseen, S Shamsi, G, Yaseen, T, Anwer, W, H Paredes Decoud, Aguilera, O, I Zelada Alvarez, I, J Marcelo Delgado, M Machain Vega, G, A Segovia Lohse, H, L Messa Aguilar, W, A Cabala Chiong, J, C Manchego Bautista, A, Huaman, E, Zegarra, S, Camacho, R, M Vergara Celis, J, A Romani Pozo, D, Hamasaki, J, Temoche, E, Herrera-Matta, J, P García Torres, C, M Alvarez Barreda, L, R Barrionuevo Ojeda, Garaycochea, O, M Castro Mollo, M Linares Delgado, Fujii, F, A Durand, S, A Arroyo Basto, C, M Urbina Rojas, N, B Shu Yip, S, L Contreras Vergara, A, A Echevarria Rosas Moran, G Borda Luque, M Rodriguez Castro, R Alvarado Jaramillo, G Manrique Sila, E Lopez, C, M Zapata Ponze De Leon, Machaca, M, R Coasaca Huaraya, Arenas, A, López, C, C Milagros Herrera Puma, Pino, W, Hinojosa, C, Limache, S, G Manrrique Sila, L-A Mercado Rodriguez, Melo, R, Costa-Maia, J, Muralha, N, Sauvat, F, Dan, I, Hogea, M, Eduard, P, R-M, Bratu, Beuran, M, I-B, Diaconescu, B-V, Martian, F-M, Iordache, Vartic, M, C Vida, L, I Muntean, L, S Mironescu, A, V J, P Nsengimana, Niragire, A, J D L, C Allen Ingabire, Niyirera, E, Zanini, N, Jovine, E, Landolfo, G, N Alomar, I, A Alnuqaydan, S, M Altwigry, A, Othman, M, Osman, N, Alqahtani, E, Alzahrani, M, Alyami, R, Aljohani, E, Alhabli, I, Mikwar, Z, Almuallem, S, Nawawi, A, Bakhaidar, M, A Maghrabi, A, Alsaggaf, M, Aljiffry, M, Altaf, A, Khoja, A, Habeebullah, A, Akeel, N, Ghandora, N, Almoflihi, A, Huwait, A, Al-Shammari, A, Al-Mousa, M, Alghamdi, M, Adham, W, Albeladi, B, A Alfarsi, M, Mahdi, A, S Al Awwad, Altamimi, A, Nouh, T, Hassanain, M, Aldhafeeri, S, Sadig, N, Algohary, O, Aledrisy, M, Gudal, A, Alrifaie, A, Alrowais, M, Althwainy, A, Shabkah, A, Alamoudi, U, Alrajraji, M, Alghamdi, B, Aljohani, S, Daqeeq, A, J Al-Faifi, J, Jennings, V, Ngayu, N, Moore, R, Kong, V, Kretzmann, H, Connor, K, Nel, D, Sampson, C, Spence, R, Panieri, E, Rayne, S, Sishuba, N, Tun, M, M Mphatsoe, A, A Carreira, J, Teasdale, E, Wagener, M, Botes, S, D Du Plessis, Fernandez-Bueno, F, Aguilar-Jimenez, J, A Garcia-Marin, J, S García, L, J García Florez, L, R Darío Arias Pacheco, Pagnozzi, J, H Jara Quezada, J, L Rodicio, J, Minguez, G, Rodríguez-Uría, R, Ugalde, P, Lopez-Arevalo, C, Barneo, L, P Gonzales Stuva, J, Ortega-Vazquez, I, Rodriguez, L, Herrera, N, P Pitigala Arachchi, W S, M Kithsiri Janakantha Senanayake, L A, J Jayasooriya Arachchige, Sivaganesh, S, I Samaraweera, D, Thanusan, V, A E, K Musa, R M, H Balila, M A E, H Mohamed, Ali, H, H Zain Elabdin, Mahdi, S, Ahmed, H, S Abdoun Ishag Idris, Elsayed, M, Mahmoud, M, Boijsen, M, P-O, Lundgren, Gustafsson, U, Kiasat, A, Wogensen, F, Jurdell, E, Thorell, A, Thorarinsdottir, H, Utter, M, M Sundstrom, S, Wredberg, C, Kjellin, A, Nyberg, J, Frisk, B, Sund, M, Andersson, L, Gunnarsson, U, Cengiz, Y, Ahlqvist, S, Björklund, I, Royson, H, Weber, P, H-I, Pahlsson, Borin, E, Hjertberg, M, Schmid, R, Schivo, D, Despotidis, V, Breitenstein, S, F Staerkle, R, Schadde, E, Deichsel, F, Gerosa, A, Nocito, A, A Raptis, D, Mijuskovic, B, Zuber, M, Eisner, L, Kruspi, S, B Reinisch, K, Schoewe, C, Novak, A, F Palma, A, Teufelberger, G, Kimaro, M, King, R, A Zeynel, A Balkan, Gumar, M, M Ali Yavuz, Karabacak, U, Lap, G, B Ozkan, B, Karakahya, M, Adams, R, Morton, R, Henderson, L, Gratton, R, D Clement, K, K Yu-Ching Chang, Mcnish, D, Mcintosh, R, Milligan, W, Skelly, B, Anderson-Knight, H, Lawther, R, Onimowo, J, Shatkar, V, Tharmalingam, S, Woin, E, Fautz, T, Ziff, O, Dindyal, S, Talukder, S, Arman, S, Gadhvi, V, S Chew, L, Heath, J, Blencowe, N, Hallam, S, Gash, K, G Singh Mannu, D-C, Zachariades, C Snaith, A, S Hettiarachchi, T, Nesaratnam, A, Wheeler, J, Mccullagh, D, M Clements, J, Khan, A, Koumpa, F, Neophytou, C, Roth, J, C Soon, W, Deputy, M, Ahmed, A, Ashton, A, Vincent, J, Almy, J, Khan, T, J L, Y Allen, J Mcintyre, C, C Marshall, D, Sykes, M, Behar, N, Jordan, H, Rajjoub, Y, Sherman, T, White, T, Watts, A, Ardley, R, Arulampalam, T, Shah, A, Brown, D, Blower, E, Sutton, P, Gasteratos, K, Vimalachandran, D, Magee, C, Irwin, G, Mcguigan, A, Mcaleer, S, Morgan, C, Braungart, S, Lafferty, K, Labib, P, Tanase, A, Mangan, C, Reza, L, Woodward, H, Gouldthorpe, C, Turner, M, J R, L Wild, T A, M Malik, K Proctor, V, Hewage, K, Davies, J, Dubois, A, Sarwary, S, Zardab, A, Grant, A, Mcintyre, R, P Mogan, Y, W, Ho, F Hon Khi Chong, B, Tewari, S, Humm, G, Farinella, E, J Hall, N, J Wright, N, P Major, C, Xerri, T, P De Bono, Amin, J, Farhad, M, F Camilleri-Brennan, J, A G, N Robertson, Swann, J, Richards, J, Jabbar, A, Attard, M, Burns, H, Macdonald, E, Baldacchino, M, Skehan, J, Camilleri-Brennan, J, T Falconer Hall, Gimzewska, M, Mclachlan, G, Shah, J, Giles, J, Chiu, S, Weber, B, S Man Yeng Chiu, Highcock, S, Hassan, M, Beasley, W, Vlachogiorgos, A, Dias, S, Maharaj, G, Mcdonald, R, Macdonald, A, Witherspoon, P, Baird, A, Sarmah, P, Green, N, Youssef, H, Cross, K, M Rees, C, B Van Duren, Upchurch, E, Khan, K, Abudeeb, H, Hammad, A, Karandikar, S, Bowley, D, Karim, A, Chachulski, W, Richardson, L, Dawnay, G, Thompson, B, Mistry, A, Bhangu, A, Ghetia, M, Roy, S, Al-Obaedi, O, Das, K, Prabhudesai, A, M Cocker, D, J Tan, J, Tyler, R, F Di Franco, Ayyar, S, Vivekanantham, S, Gokani, S, Gillespie, M, Gudlaugsdottir, K, Pezas, T, Currow, C, M Young-Han Kim, Birring, A, Edwards, J, Das, S, Jha, M, Atkinson, K, Luck, J, Fozard, T, Puttick, M, Salama, Y, Shah, R, A Ibrahem, A, Ebdewi, H, Gravante, G, El-Rabaa, S, Nnajiuba, H, Allott, R, Bhargava, A, Chan, Z, Hassan, Z, Makinde, M, Hemingway, D, Dean, R, Boddy, A, Aber, A, Patel, V, Parakh, J, Parthiban, S, K Ubhi, H, S-P, Hosein, Ward, S, Malik, K, Jennings, L, Newton, T, Alkhouri, M, K Kang, M, Houlden, C, Barry, J, Raza, I, Farquharson, A, Bhattacharya, S, Chang, K, M S, J Wilson, N Neo, Y, Ibrahim, I, Chan, E, S Peck, F, J Lim, P, S North, A, Blundell, R, Williamson, A, Fouad, D, Minocha, A, Mccarthy, K, Court, E, Chambers, A, Yee, J, C Tham, J, Beaton, C, Walsh, U, Lockey, J, Bokhari, S, Howells, L, Griffiths, M, Yallop, L, Singh, S, Nasher, O, Jackson, P, M Shariffuddin, A, C Ho, W, Pabla, G, Ramzi, S, Zeidan, S, Doughty, J, Sinha, S, Davenport, R, Lewis, J, Duffy, L, Mcaleer, E, Williams, E, Som, R, Javed, O, Boal, M, Harrison, N, Tafazal, H, Brogden, T, Griffiths, E, D Obute, R, E Glover, T, J Clark, D, Boshnaq, M, Akhtar, M, Capleton, P, Doughan, S, Rabie, M, Mohamed, I, Samuel, D, Dickson, L, Kennedy, M, Dempster, E, Brown, E, Maple, N, Monaghan, E, Wolf, B, Garland, A, Mcphee, A, Anderson, D, Anderson, R, Hassan, S, Smith, D, Lund, J, Boereboom, C, Murphy, J, Tierney, G, Tou, S, F Zimmermann, E, J Smart, N, M Warwick, A, Stasinou, T, Daniels, I, Findlay-Cooper, K, Mitrasinovic, S, Ray, S, Varcada, M, R D, S Omara, Spurr, M, Parkinson, L, Hanks, A, J, Ma, Abington, E, Ramcharn, M, Williams, G, Winstanley, J, D Kennedy, E, E N, W Yeung, Fergusson, S, Jones, C, O'Neill, S, J Lim, S, Liew, I, Nair, H, Fairfield, C, Koh, S, Wilson, A, Anandkumar, D, Kirupagaran, A, F Jones, T, D Torrance, H, J Fowler, A, Chandrakumar, C, Patel, P, F Ashraf, S, M Lakhani, S, L Mclean, A, Basson, S, Batt, J, Bowman, C, Stoddart, M, Benons, N, Mason, C, Harrison, R, Quayle, J, Barker, T, Summerour, V, Harper, E, Smith, C, Hampton, M, K Pitt, S, E Ward, A, O'Connor, T, G Heywood, E, M Drake, T, Chowdhury, A, Hossaini, S, F Watson, N, Mckechnie, D, Farah, A, Chun, A, Koh, H, Lim, G, Sunderland, G, Gould, L, C Munipalle, P, Rooney, H, D R, L Browning, Pereira, B, Nemeth, K, Decker, E, Giuliani, S, Shalaby, A, Shaikh, S, Y Tan, C, E Y, A Palkhi, Kostov, E, Harbord, P, Barnacle, J, Szczap, A, Chidambaram, S, Y Chen, C, Kulasabanathan, K, Chhabra, S, M Palliyil, M, Zikry, M, Porter, J, Raslan, C, Hafiz, S, Soltani, N, Baillie, K, Marples, L, Macfarlane, A, Thurairaja, R, Singh, P, Sheth, S, Patel, K, Khalili, M, Choi, J, Benger, M, Boyce, T, Whewell, H, Jones, E, Th'Ng, F, Robertson, N, Mirza, A, Saeed, H, Galloway, S, Elena, G, Afzal, M, Zakir, M, Sodde, P, Hand, C, Sriram, A, Clark, T, Holton, P, Livesey, A, Sinha, Y, M Iqbal, F, S Bharj, I, Rotundo, A, Jenvey, C, Slade, R, Golding, D, Haines, S, A Ne'ma Abdullah, A, W Tilston, T, Loughran, D, Donoghue, D, Giacci, L, M Ashur Sherif, Harrison, P, Tang, A, Kotecha, D, Elshaer, M, Urbonas, T, Riaz, A, Chapman, A, Acharya, P, Shalhoub, J, Grossart, C, Mcmorran, D, Mlotshwa, M, Hawkins, W, Loizides, S, Krishna, K, Orchard, M, W Ho, C, Thomson, P, Khan, S, Taylor, F, Shukla, J, E Howie, E, Macdonald, L, Komolafe, O, Mcintyre, N, Cragg, J, Parker, J, Stewart, D, L, L, Tracy, J, Farooq, T, Molina, G, Kaafarani, H, Luque, L, Beyene, R, Sava, J, Scott, M, Swaroop, M, Kennedy, R, A Azodo, I, Heffernan, D, Chun, T, Stephen, A, Sion, M, S Weinstein, M, Punja, V, Bugaev, N, Goodstein, M, Razmdjou, S, Etchill, E, C Puyana, J, Kesinger, M, Napolitano, L, K, To, Hemmila, M, Todd, O, Jenner, E, Hoogakker, E, Roi, D, H Chieh Chen, J, Ismail, L, and G Escobar, E
Subjects: Adult, Male, Gastrointestinal Diseases, mortality, global surgery, abdominal, emergency, LMIC, surgery, Developed Countries, Checklist, Cohort Studies, Health Care, Abdomen, Humans, Female, Patient Safety, Emergencies, Quality Assurance, Developing Countries, Digestive System Surgical Procedures, Quality Assurance, Health Care
Published: 2016

19. Athens

Author: Robert K. Pitt
Subjects: Archeology, Classics
Published: 2010

20. T104. ASSESSING THE UTILITY OF COPULA FUNCTIONS FOR RISK PREDICTION OF PSYCHOSIS

Author: Landan Zhang, Michael K. Pitt, Charlotte Gayer-Anderson, Conrad Iyegbe, Robin M. Murray, and Craig Morgan
Subjects: Abstracts, Psychiatry and Mental health, Psychosis, Poster Session I, Computer science, medicine, Econometrics, medicine.disease, Copula (probability theory)
Abstract: Background Studies which have attempted to assess the predictive potential of socio-environmental risk factors for psychosis have used such a variety of datasets and methodologies. As a result, it is not possible for policy-makers to understand how different models compare, or might inform evidence-based policy-making. Thus, the cumulative predictive potential of non-genetic risk factors for psychosis has not yet been studied systematically. An important question which has not been considered previously is whether correlation structure between multivariate risks can be detrimental to the goal of prediction, particularly across different populations. Model fitting to locally-relevant correlation structures can limit the generalizability of a prediction model. Copulas are mathematical functions which allow the joint risk function of two or more correlated variables to be modelled in spite of this inherent bias. The copula approach is a foundation methodology with applications in the fields of finance, insurance and banking, where it is used for risk-management purposes. This study examines the impact of copulas on the stability of prediction power for psychosis across different populations. Methods The data used in this work comes from work package 2 (WP2) (entitled “Functional Enviromics”) of The European Union (EU)-funded European Network Study of Gene-Environment Interactions (EUGEI). The total dataset available consists of 1180 cases of first episode psychosis (ICD10 diagnostic criteria F20-F29 or F30-F33) and 1528 healthy controls recruited by 16 centres across 6 countries (United Kingdom, Holland, Spain, France, Italy, Brazil). We sought to compare the predictive performance of copulas against that of summary risk scores for formulating disease risk for a common set of socio-environmental risk factors. The copula methodology allows joint risks to be modelled as a distribution whilst summary scores convey the number of risk factors encountered by an individual, weighted by literature-derived odds ratios for association. Gaussian copula with non-Gaussian marginal distributions were used to capture the correlation structure of 9 discrete variables in total. These incorporated: Lifetime Cannabis Use, frequency of Cannabis Use, Household discord, severity of psychological abuse, severity of physical abuse, severity of sexual abuse, severity of bullying, number of adverse adult life events and intrusive adult life events. We applied a fully Bayesian approach which uses Markov Chain Monte Carlo to simulate latent variables from multivariate ordered probit model and also estimate the threshold parameters and parameters from copula model. The resulting joint distribution (a copula) mapped the relationship between cumulative exposure to these factors and risk of psychosis. Results A proportion of subjects were withheld from the copula, so that the performance of the finished function could be evaluated on unseen data. The performance of the 2 prediction methods was compared within and between recruitment centres and are conveyed in terms of: • Sensitivity and false positive rates (The area under the Receiver Operating Characteristic curve) • Percentage of variance explained (Nagelkerke R2) • Calibration (whether predicted risks were correct) • Discrimination (whether high risk subjects could be distinguished from low risk ones) • Reclassification (model behaviour close to specific thresholds) Discussion The application of the copula methodology to the multi-centre EUGEI dataset provides us with the opportunity to tackle a major limitation of the summary scoring approach which is the default method for aggregating risks across most areas of health research.
Published: 2018

21. Athens

Author: Robert K. Pitt
Subjects: Archeology, Classics
Published: 2008

22. Efficient implementation of Markov chain Monte Carlo when using an unbiased likelihood estimator

Author: Arnaud Doucet, Michael K. Pitt, George Deligiannidis, and Robert Kohn
Subjects: FOS: Computer and information sciences, Statistics and Probability, General Mathematics, Metropolis-Hastings algorithm, Intractable likelihood, Methodology (stat.ME), Hybrid Monte Carlo, symbols.namesake, Minimum-variance unbiased estimator, Bias of an estimator, Particle filter, Statistics, Stein's unbiased risk estimate, Statistics::Methodology, Sequential Monte Carlo, QA, Statistics - Methodology, Mathematics, Estimation theory, Applied Mathematics, State-space model, Estimator, Markov chain Monte Carlo, Agricultural and Biological Sciences (miscellaneous), Statistics::Computation, Metropolis–Hastings algorithm, symbols, 62F15, Statistics, Probability and Uncertainty, General Agricultural and Biological Sciences
Abstract: When an unbiased estimator of the likelihood is used within a Metropolis--Hastings chain, it is necessary to trade off the number of Monte Carlo samples used to construct this estimator against the asymptotic variances of averages computed under this chain. Many Monte Carlo samples will typically result in Metropolis--Hastings averages with lower asymptotic variances than the corresponding Metropolis--Hastings averages using fewer samples. However, the computing time required to construct the likelihood estimator increases with the number of Monte Carlo samples. Under the assumption that the distribution of the additive noise introduced by the log-likelihood estimator is Gaussian with variance inversely proportional to the number of Monte Carlo samples and independent of the parameter value at which it is evaluated, we provide guidelines on the number of samples to select. We demonstrate our results by considering a stochastic volatility model applied to stock index returns., 34 pages, 9 figures, 3 tables
Published: 2015

23. Myocardial Glucose Transport and Utilization in Patients With Type 2 Diabetes Mellitus, Left Ventricular Dysfunction, and Coronary Artery Disease

Author: David Gathercole, Marco Mongillo, Paolo G. Camici, Michael K. Pitt, D. Pagano, David P. Dutka, and Robert S. Bonser
Subjects: medicine.medical_specialty, endocrine system diseases, Blotting, Western, Cardiac Output, Low, heart, Type 2 diabetes, Coronary Artery Disease, Coronary artery disease, Ventricular Dysfunction, Left, Left coronary artery, Fluorodeoxyglucose F18, insulin resistance, Internal medicine, Diabetes mellitus, medicine.artery, medicine, Humans, Myocardial infarction, Aged, Glucose Transporter Type 4, business.industry, Myocardium, Type 2 Diabetes Mellitus, nutritional and metabolic diseases, Middle Aged, medicine.disease, medicine.anatomical_structure, Glucose, Diabetes Mellitus, Type 2, Sympathetic nervous system, Positron-Emission Tomography, Circulatory system, Cardiology, Radiopharmaceuticals, business, Cardiology and Cardiovascular Medicine, Artery
Abstract: ObjectivesThis research was designed to assess the effect of type 2 diabetes mellitus (T2DM) on myocardial glucose utilization in patients with heart failure secondary to coronary artery disease.BackgroundPatients with T2DM and coronary artery disease have an increased morbidity and mortality compared with patients with coronary artery disease without diabetes that may relate to a reduction in the ability of the myocardium to utilize glucose.MethodsMyocardial blood flow and glucose utilization were assessed during a hyperinsulinemic clamp by 18F-flurodeoxyglucose and positron emission tomography in 54 patients (19 with T2DM) with multivessel coronary artery disease and heart failure. In a subgroup of 18 patients, myocardial biopsies were obtained during coronary bypass surgery to assess glucose transporter (GLUT4) distribution and protein concentration, and compared with myocardium from transplant donor hearts.ResultsMyocardial blood flow was similar in patients without diabetes and those with T2DM. Myocardial glucose utilization was lower in patients with T2DM (0.34 ± 0.16 vs. 0.47 ± 0.24 μmol·min−1·g−1, p = 0.0002) despite comparable plasma insulin concentrations and a higher blood glucose concentration. Extraction of glucose by the myocardium was reduced in patients with T2DM (7.1 ± 3.1% vs. 13.5 ± 5.2%, p < 0.01). Myocardial GLUT4 protein was similar in patients with and without T2DM (p = 0.75).ConclusionsPatients with coronary artery disease and heart failure exhibit myocardial insulin resistance, and this is greater in those with T2DM. This may limit the ability of the myocardium in patients with T2DM to withstand ischemia and may contribute to the increased cardiovascular morbidity and mortality in such patients.
Published: 2006
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24. Efficient Bayesian inference for Gaussian copula regression models

Author: Robert Kohn, David Chan, and Michael K. Pitt
Subjects: Statistics and Probability, Statistics::Theory, Applied Mathematics, General Mathematics, Gaussian, Bayesian probability, Posterior probability, Inference, Regression analysis, Bayesian inference, Agricultural and Biological Sciences (miscellaneous), Statistics::Computation, symbols.namesake, Econometrics, symbols, Statistics::Methodology, Graphical model, Statistics, Probability and Uncertainty, Marginal distribution, General Agricultural and Biological Sciences, Algorithm, Mathematics
Abstract: A Gaussian copula regression model gives a tractable way of handling a multivariate regression when some of the marginal distributions are non-Gaussian. Our paper presents a general Bayesian approach for estimating a Gaussian copula model that can handle any combination of discrete and continuous marginals, and generalises Gaussian graphical models to the Gaussian copula framework. Posterior inference is carried out using a novel and efficient simulation method. The methods in the paper are applied to simulated and real data.
Published: 2006

25. Technology and Performance of Millimetre-Wave Multilayer Components

Author: K. Pitt, Zhengrong Tian, Małgorzata Jakubowska, and C. Free
Subjects: Coupling, Materials science, business.industry, Direct current, Context (language use), Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Manufacturing cost, Electronic, Optical and Magnetic Materials, DC block, Optoelectronics, Electrical and Electronic Engineering, Wideband, business, Electrical conductor, Microwave
Abstract: New data are presented on the performance of thick film multilayer microwave components in the frequency range 30–40 GHz. It was seen that the performance of a novel microwave DC block has been enhanced through the use of broadside coupling between conductors in a multilayer structure. Very good results have shown that low loss and wideband performance at low mm-wave frequencies can be achieved through direct thick film printing. The effects of the properties of the materials employed are discussed in the context of minimum cost structures.
Published: 2006

26. Constructing Stationary Time Series Models Using Auxiliary Variables With Applications

Author: Stephen G. Walker and Michael K. Pitt
Subjects: Statistics and Probability, Heteroscedasticity, Stationary process, Autocorrelation, Conditional probability distribution, Variable-order Bayesian network, symbols.namesake, Autoregressive model, symbols, Econometrics, Applied mathematics, Statistics, Probability and Uncertainty, STAR model, Gibbs sampling, Mathematics
Abstract: Here we present a novel method for modeling stationary time series. Our approach is to construct the model with a specified marginal family and build the dependence structure around it. We show that the resulting time series is linear with a simple autocorrelation structure. We construct models that parallel existing structures, namely state-space models, autoregressive conditional heteroscedasticity (ARCH) models, and generalized ARCH models. We use Bayesian techniques to estimate the resulting models. We also demonstrate that the models perform well compared with competing methods for the applications considered, count models and volatility models.
Published: 2005

27. Low cost microwave thick film structures

Author: Z. Tian, K. Pitt, Małgorzata Jakubowska, and C. Free
Subjects: Permittivity, Materials science, business.industry, Manufacturing process, Low-k dielectric, Substrate (electronics), Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Manufacturing cost, Electronic, Optical and Magnetic Materials, Reliability (semiconductor), Optoelectronics, Electrical and Electronic Engineering, business, Layer (electronics), Microwave
Abstract: This paper examines the potential use of low cost materials and processes to produce thick film structures at low microwave frequencies. It examines empirically the upper frequency limits for the use of simple design techniques as a function of substrate thickness. It concludes that satisfactory results can be obtained using low cost methods up to about 12 GHz for 1 mm 96% alumina substrates and 16 GHz for 0.63 mm substrates. These are the most commonly available thick film substrate thicknesses. A low permittivity protective layer is desirable to maintain reliability.
Published: 2005

28. Limited benefits of ambulance telemetry in delivering early thrombolysis: a randomised controlled trial

Author: K Pitt, Malcolm Woollard, N C Taylor, and A J Hayward
Subjects: Male, medicine.medical_specialty, medicine.medical_treatment, Ambulances, Myocardial Infarction, Critical Care and Intensive Care Medicine, Sensitivity and Specificity, law.invention, Electrocardiography, Randomized controlled trial, law, Humans, Telemetry, Medicine, Thrombolytic Therapy, Medical history, Prospective Studies, Myocardial infarction, Prospective cohort study, Stroke, Aged, Aged, 80 and over, business.industry, Remote Consultation, Coronary Care Units, General Medicine, Thrombolysis, Middle Aged, medicine.disease, Clinical trial, England, Emergency medicine, Emergency Medicine, Physical therapy, Coronary care unit, Prehospital Care, Female, Rural Health Services, business
Abstract: To evaluate the potential of a continuous telemetry system linking rural ambulances to a coronary care unit to reduce call to thrombolysis times.This prospective randomised controlled trial recruited patients using the 999 ambulance service in a rural area of the UK with signs or symptoms of coronary heart disease. Subjects were assigned to receive either standard paramedic treatment or transmission of 12 lead ECG, blood pressure, pulse oximetry, and relevant medical history to a general hospital coronary care unit. Cardiology senior house officers then determined each patient's suitability for pre-hospital thrombolysis time, and transmitted this decision back to the ambulance. This was documented as the potential thrombolysis, although no thrombolytic agents were administered by paramedics. The between groups difference in time to potential thrombolysis (intervention group) and actual thrombolysis (controls) was compared. The proportion of intervention group subjects ultimately receiving thrombolysis in hospital was compared with that recommended for pre-hospital thrombolysis.The potential reduction in call to treatment time for telemetry patients recommended for pre-hospital thrombolysis was 55 minutes (p = 0.022). Following hospital admission,21/213 of the telemetry patients were thrombolysed (10%, 95% confidence interval (CI) 6% to 15%). Of these patients, 3/21 received a recommendation for thrombolysis in the ambulance (14%, 95% CI 3.1% to 36.3%). The sensitivity and specificity of the telemetry system in detecting patients requiring thrombolysis was 13.6 and 99.5% respectively. Errors were made in the pre-hospital treatment recommendations for two patients.Continuous telemetry systems may significantly reduce call to treatment times for patients recommended for pre-hospital thrombolysis in a rural setting. However, this benefit must be balanced against the very small proportion of eligible patients identified as suitable for pre-hospital thrombolysis. This limitation may be due to communications problems, the criteria used to identify eligible patients, or the seniority of physicians tasked with making treatment decisions.
Published: 2005

29. Simulated thermal cycling of surface components on FR4 printed wiring boards using standard tin–lead solder

Author: K. Pitt and G. Goldspink
Subjects: Materials science, Electronic packaging, Mechanical engineering, Solder paste, Temperature cycling, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Printed circuit board, Soldering, visual_art, Forensic engineering, visual_art.visual_art_medium, Electronics, Ceramic, Electrical and Electronic Engineering, Eutectic system
Abstract: Thermal cycling is used as a diagnostic test for electronic equipment. It is particularly severe on solder joints that are under both compressive and tensile strain during a cycle as a result of differential thermal expansion. The electronics industry document IPC-SM-785 addresses this problem and provides means whereby joint failure can be predicted as a function of the type and number of cycles used. The method can be applied to both non-compliant ceramic chips and compliant packages on FR4 board. This paper describes the applicability of SM-785 for both compliant and non-compliant packages. Due to the change in metallurgy of solder at temperatures approaching −20 °C, the approach is restricted to temperatures where near eutectic tin–lead solder is in its non-elastic form. A new approach will be needed when lead-free joining becomes mandatory.
Published: 2004

30. The natural history of myocardium awaiting revascularisation in patients with impaired left ventricular function

Author: Michael K. Pitt, Paolo G. Camici, Domenico Pagano, David P. Dutka, Robert S. Bonser, Pitt, M, Dutka, D, Pagano, D, Camici, Paolo, and Bonser, R.
Subjects: Male, medicine.medical_specialty, Wall motion score index, Myocardial Infarction, Combinatorics, Ventricular Dysfunction, Left, Fluorodeoxyglucose F18, Coronary Circulation, Lv dysfunction, Internal medicine, Myocardial Revascularization, medicine, Humans, In patient, Prospective Studies, Wall motion, Coronary Artery Bypass, Postoperative Care, business.industry, Myocardium, Impaired left ventricular function, Echocardiography, Cardiology, Stable function, Female, Ejection fraction decreased, Coronary vasodilator, Radiopharmaceuticals, Cardiology and Cardiovascular Medicine, business, Tomography, Emission-Computed
Abstract: Aims Our aim was to follow changes in myocardial function and physiology in patients awaiting coronary artery bypass surgery (CABG) and relate changes to post-revascularisation functional response. Methods and results In 21 patients with CAD and LV dysfunction, myocardial glucose utilisation (MGU) and blood flow (MBF) were measured with positron emission tomography using F-18-fluorodeoxyglucose and oxygen-15-labelled water. Left ventricular function, MGU, and MBF were re-assessed after one year, immediately prior to CABG. At baseline, dysfunctional myocardium displayed a reduction in MGU, hyperaemic MBF, and coronary vasodilator reserve (CVR) compared to normally functioning muscle. In the year preceding CABG, the overall wall motion score index increased (2.09±0.65 vs. 2.3±0.7, \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} $p=0.0001$ \end{document}) and the LV ejection fraction decreased (30.6±11.1% vs. 27.3±11.5%, \batchmode \documentclass[fleqn,10pt,legalpaper]{article} \usepackage{amssymb} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(p{
Published: 2004

31. Constructing First Order Stationary Autoregressive Models via Latent Processes

Author: Chris Chatfield, Stephen G. Walker, and Michael K. Pitt
Subjects: Statistics and Probability, Exponential family, Stationary process, Autoregressive model, Expectation–maximization algorithm, Autocorrelation, Econometrics, Applied mathematics, SETAR, Statistics, Probability and Uncertainty, Marginal distribution, STAR model, Mathematics
Abstract: First order stationary autoregressive (AR(1)) models are introduced for which there exists a linear relation between the expectations of the observations, and where it is readily possible to arrange the marginal distributions to be other than normal.
Published: 2002

32. Hitting them where it hurts? Low dose nalbuphine therapy

Author: N Vetter, K Pitt, Malcolm Woollard, and T Jones
Subjects: Emergency Medical Services, Resuscitation, Respiratory rate, Nalbuphine, Pain, Critical Care and Intensive Care Medicine, Cohort Studies, Clinical Protocols, medicine, Humans, Prospective Studies, Adverse effect, Prospective cohort study, Pain Measurement, Medical Audit, business.industry, Incidence (epidemiology), General Medicine, Analgesics, Opioid, Blood pressure, Anesthesia, Emergency Medicine, Prehospital Care, business, medicine.drug, Cohort study
Abstract: To determine if low dose nalbuphine provides an adequate reduction in pain with minimal side effects.Prospective cohort of 115 patients given nalbuphine by paramedics in Wales and the English borders.(1) Mean total dose of nalbuphine administered, change in pain score, time to adequate pain relief (score below four), and change in respiratory rate and systolic blood pressure; (2) proportion of patients continuing to suffer moderate to severe pain on arrival at hospital; (3) incidence of adverse events.Full data were obtained for all patients. The mean total dose of nalbuphine administered was 6.09 mg (range 2.5 to 12.5 mg). This was significantly higher in trauma than ischaemic chest pain patients (7.03 versus 5.13 mg). The mean reduction in pain score was -3.97 (95% CI -4.38 to -3.57, p0.001). The mean time to adequate pain relief (where this was achieved) was 15.7 minutes (95% CI 13.4 to 17.9 minutes). On arrival at hospital 60% of patients (n=69, 95% CI 50.9 to 68.5%) still met ambulance criteria for analgesia (70.7% of trauma patients and 49.1% with ischaemic chest pain). Systolic blood pressure fell by a mean of -3.67 (95% CI -6.76 to -0.58, p=0.02) and respiratory rate increased by a mean of 1.63 (95% CI 1.08 to 2.17, p0.001). Two patients complained of nausea (1.74%, 95% CI 0.5 to 6.0%). No other adverse events were reported.Low dose nalbuphine results in few adverse events, but offers poor pain control for a high proportion of patients.
Published: 2002

33. Simulated likelihood inference for stochastic volatility models using continuous particle filtering

Author: Sheheryar Malik, Michael K. Pitt, and Arnaud Doucet
Subjects: Statistics and Probability, Stochastic volatility, Autoregressive conditional heteroskedasticity, HB, Inference, Markov chain Monte Carlo, symbols.namesake, Feature (machine learning), Econometrics, symbols, State space, Financial econometrics, Particle filter, QA, Mathematics
Abstract: Discrete-time stochastic volatility (SV) models have generated a considerable literature in financial econometrics. However, carrying out inference for these models is a difficult task and often relies on carefully customized Markov chain Monte Carlo techniques. Our contribution here is twofold. First, we propose a new SV model, namely SV-GARCH, which bridges the gap between SV and GARCH models: it has the attractive feature of inheriting unconditional properties similar to the standard GARCH model but being conditionally heavier tailed. Second, we propose a likelihood-based inference technique for a large class of SV models relying on the recently introduced continuous particle filter. The approach is robust and simple to implement. The technique is applied to daily returns data for SandP 500 and Dow Jones stock price indices for various spans. © 2014 The Institute of Statistical Mathematics, Tokyo.
Published: 2014

34. [Untitled]

Author: Małgorzata Jakubowska, C. E. Free, K. Pitt, and Z. Tian
Subjects: Materials science, business.industry, Bulk resistivity, Conductivity, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Microstrip, Electronic, Optical and Magnetic Materials, Optics, Surface roughness, Range (statistics), Electrical and Electronic Engineering, business, Electrical conductor, Microwave, Sheet resistance
Abstract: It is theoretically possible to calculate electrical losses in conductors at high frequencies using standard microstrip equations. To do this it is necessary to know the length, width and surface roughness of sample tracks. The sheet resistance at d.c. is replaced with a new term, surface resistance which is the bulk resistivity divided by the skin depth at the frequency under consideration. The paper looks at the relationship between these predictions and measured results. A wide range of commercial thick film conductors has had its physical properties measured and a comparison made with the figures for idealized structures. The paper contains a discussion on the differences between real and ideal materials. It was seen that the predictions were close to the measured results at lower frequencies, but that there was divergence as the frequency approached 15–20 GHz. For low-cost applications it is generally considered that economically viable conductors will be unsuitable for microwave applications. However, the paper discusses whether some of the lesser used conductors, such as fritted silver, could have an application in low-cost microwave devices, for example alarm systems. © 2001 Kluwer Academic Publishers
Published: 2001

35. Boeotia

Author: Robert K. Pitt
Subjects: Archeology, Classics
Published: 2009

36. Athens

Author: Robert K. Pitt
Subjects: Archeology, Classics
Published: 2009

37. [Untitled]

Author: Selim Achmatowicz, K. Pitt, Małgorzata Jakubowska, Elżbieta Zwierkowska, and M. Primovich
Subjects: Materials science, Barium oxide, Fabrication, chemistry.chemical_element, Dielectric, Condensed Matter Physics, Atomic and Molecular Physics, and Optics, Electronic, Optical and Magnetic Materials, Ruthenium, law.invention, Molybdenum trioxide, chemistry.chemical_compound, Nickel, chemistry, law, Forensic engineering, Electrical and Electronic Engineering, Resistor, Composite material, Electrical conductor
Abstract: This paper describes the fabrication and test of a new low cost thick film system using base metals. The resistor pastes were developed using non-precious metal oxides and contain molybdenum trioxide and other additives. The conductors are either silver or nickel. The dielectrics contain barium oxide, but, unlike ruthenium based resistors, on related dielectrics, there is very little difference in resistor behavior on alumina from that on the dielectrics investigated. Long term stability tests show that the new resistor family, while less stable than those based on ruthenium, is suitable for many low cost applications. Results suggest that high temperature ageing tends to minimize contact effects and that they are compatible with both silver and nickel terminations.
Published: 1999

38. [Untitled]

Author: P.G. Barnwell, C. E. Free, Daiqing Li, and K. Pitt
Subjects: Materials science, Ideal (set theory), Attenuation, Acoustics, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, Condensed Matter Physics, Track (rail transport), Atomic and Molecular Physics, and Optics, Microstrip, Electronic, Optical and Magnetic Materials, Conductor, Physical structure, Electrical and Electronic Engineering, Electrical conductor, Microwave
Abstract: This paper examines the influence of the materials on the electrical properties of conductors for both high speed MCM structures and microstrip applications. Calculated figures for attenuation in microstrip lines are compared with published results. It is seen that the nature and physical structure as well as the geometrical shape of a conductor track all strongly influence the microwave performance. However, it is also clear that real materials have been developed for these applications which closely approach the behavior predicted for ideal conductors. It is proposed that microwave performance can be predicted by modelling the d.c. conductor materials and extrapolating to high frequencies.
Published: 1999

39. Analytic Convergence Rates and Parameterization Issues for the Gibbs Sampler Applied to State Space Models

Author: Michael K. Pitt and Neil Shephard
Subjects: Statistics and Probability, Mathematical optimization, State-space representation, Stochastic volatility, Economics, Applied Mathematics, Markov chain Monte Carlo, Statistics::Computation, symbols.namesake, Autoregressive model, Rate of convergence, Convergence (routing), symbols, Applied mathematics, State space, Econometrics, Statistics, Probability and Uncertainty, Gibbs sampling, Mathematics
Abstract: In this paper we obtain a closed form expression for the convergence rate of the Gibbs sampler applied to the unobserved states of a first-order autoregression plus noise model. The rate is expressed in terms of the parameters of the model, which are regarded as fixed. For the case where the unconditional mean of the states is a parameter of interest we provide evidence that a 'centred' parameterization of a state space model is preferable for the performance of the Gibbs sampler. These two results provide guidance when the Gaussianity or linearity of the state space form is lost. We illustrate this by examining the performance of a Markov chain Monte Carlo sampler for the stochastic volatility model.
Published: 1999

40. Likelihood analysis of non-Gaussian measurement time series

Author: Michael K. Pitt, Neil Shephard, Harvey, A, and Proietti, T
Subjects: Statistics and Probability, Series (mathematics), Applied Mathematics, General Mathematics, Gaussian, Bayesian probability, Inference, Markov chain Monte Carlo, Agricultural and Biological Sciences (miscellaneous), symbols.namesake, Statistics, symbols, Statistics, Probability and Uncertainty, General Agricultural and Biological Sciences, Likelihood function, Algorithm, Importance sampling, Smoothing, Mathematics
Abstract: SUMMARY In this paper we provide methods for estimating non-Gaussian time series models. These techniques rely on Markov chain Monte Carlo to carry out simulation smoothing and Bayesian posterior analysis of parameters, and on importance sampling to estimate the likelihood function for classical inference. The time series structure of the models is used to ensure that our simulation algorithms are efficient.
Published: 1997

41. Copula-type Estimators for Flexible Multivariate Density Modeling using Mixtures

Author: Michael K. Pitt, Minh-Ngoc Tran, Xiuyan Mun, Paolo Giordani, and Robert Kohn
Subjects: Statistics and Probability, FOS: Computer and information sciences, Multivariate statistics, Copula (linguistics), Estimator, Density estimation, Statistics::Other Statistics, Statistics::Computation, Methodology (stat.ME), Bayes' theorem, Statistics, Discrete Mathematics and Combinatorics, Applied mathematics, Statistics::Methodology, Statistics, Probability and Uncertainty, Statistics - Methodology, Mathematics
Abstract: Copulas are popular as models for multivariate dependence because they allow the marginal densities and the joint dependence to be modeled separately. However, they usually require that the transformation from uniform marginals to the marginals of the joint dependence structure is known. This can only be done for a restricted set of copulas, e.g. a normal copula. Our article introduces copula-type estimators for flexible multivariate density estimation which also allow the marginal densities to be modeled separately from the joint dependence, as in copula modeling, but overcomes the lack of flexibility of most popular copula estimators. An iterative scheme is proposed for estimating copula-type estimators and its usefulness is demonstrated through simulation and real examples. The joint dependence is is modeled by mixture of normals and mixture of normals factor analyzers models, and mixture of t and mixture of t factor analyzers models. We develop efficient Variational Bayes algorithms for fitting these in which model selection is performed automatically. Based on these mixture models, we construct four classes of copula-type densities which are far more flexible than current popular copula densities, and outperform them in simulation and several real data sets., 27 pages, 3 figures
Published: 2013

42. Adaptive Metropolis-Hastings Sampling using Reversible Dependent Mixture Proposals

Author: Minh-Ngoc Tran, Michael K. Pitt, and Robert Kohn
Subjects: Statistics and Probability, FOS: Computer and information sciences, Mathematical optimization, Traverse, 01 natural sciences, Theoretical Computer Science, Methodology (stat.ME), 010104 statistics & probability, symbols.namesake, Law of large numbers, 0502 economics and business, Statistics::Methodology, 0101 mathematics, Invariant (mathematics), QA, Statistics - Methodology, 050205 econometrics, Mathematics, 05 social sciences, Approximation algorithm, Markov chain Monte Carlo, Metropolis–Hastings algorithm, Computational Theory and Mathematics, Simulated annealing, Sample space, symbols, Statistics, Probability and Uncertainty, Algorithm
Abstract: This article develops a general-purpose adaptive sampler that approximates the target density by a mixture of multivariate t densities. The adaptive sampler is based on reversible proposal distributions each of which has the mixture of multivariate t densities as its invariant density. The reversible proposals consist of a combination of independent and correlated steps that allow the sampler to traverse the parameter space efficiently as well as allowing the sampler to keep moving and locally exploring the parameter space. We employ a two-chain approach, in which a trial chain is used to adapt the proposal densities used in the main chain. Convergence of the main chain and a strong law of large numbers are proved under reasonable conditions, and without imposing a Diminishing Adaptation condition. The mixtures of multivariate t densities are fitted by an efficient Variational Approximation algorithm in which the number of components is determined automatically. The performance of the sampler is evaluated using simulated and real examples. Our autocorrelated framework is quite general and can handle mixtures other than multivariate t., 39 pages, 5 figures, 5 tables
Published: 2013

43. Bayesian inference for nonlinear structural time series models

Author: Michael K. Pitt, Jamie Hall, and Robert Kohn
Subjects: FOS: Computer and information sciences, Economics and Econometrics, Mathematical optimization, Markov chain, State-space representation, Applied Mathematics, HB, Inference, Conditional probability distribution, Bayesian inference, Statistics - Applications, Methodology (stat.ME), Feature (machine learning), Applications (stat.AP), QA, Particle filter, Auxiliary particle filter, Statistics - Methodology, Mathematics
Abstract: This article discusses a partially adapted particle filter for estimating the likelihood of a nonlinear structural econometric state space models whose state transition density cannot be expressed in closed form. The filter generates the disturbances in the state transition equation and allows for multiple modes in the conditional disturbance distribution. The particle filter produces an unbiased estimate of the likelihood and so can be used to carry out Bayesian inference in a particle Markov chain Monte Carlo framework. We show empirically that when the signal to noise ratio is high, the new filter can be much more efficient than the standard particle filter, in the sense that it requires far fewer particles to give the same accuracy. The new filter is applied to several simulated and real examples and in particular to a dynamic stochastic general equilibrium model., Typo correction
Published: 2012

44. Modelling Stochastic Volatility with Leverage and Jumps: A Simulated Maximum Likelihood Approach via Particle Filtering

Author: Sheheryar Malik and Michael K. Pitt
Published: 2011

45. Aortic valve replacement for Libman-Sacks endocarditis

Author: Sunil K. Bhudia, Uday Dandekar, Kirkpatrick C. Santo, Stephen J. Rooney, Richard Watkin, Navin Chandra, and Michael K. Pitt
Subjects: Pulmonary and Respiratory Medicine, Aortic valve, Adult, medicine.medical_specialty, Aortic Valve Insufficiency, Regurgitation (circulation), Libman–Sacks endocarditis, Aortic valve replacement, immune system diseases, Internal medicine, medicine, Pericardium, Endocarditis, Humans, Lupus Erythematosus, Systemic, skin and connective tissue diseases, Ultrasonography, Heart Valve Prosthesis Implantation, Lupus erythematosus, business.industry, Mechanical Aortic Valve, medicine.disease, Lupus Nephritis, Surgery, medicine.anatomical_structure, Aortic Valve, cardiovascular system, Cardiology, Female, Cardiology and Cardiovascular Medicine, business
Abstract: Cardiac involvement is a recognized complication of systemic lupus erythematosus (SLE), which can involve most cardiac components, including pericardium, conduction system, myocardium, heart valves, and coronaries. Libman-Sacks (verrucous) endocarditis is the characteristic cardiac valvular manifestation. We report a patient with SLE who had severe aortic regurgitation caused by Libman-Sacks endocarditis. The patient underwent successful mechanical aortic valve replacement.
Published: 2008

46. Likelihood based inference for diffusion driven models

Author: Siddhartha Chib, Michael K Pitt, and Neil Shephard
Subjects: Bayes estimation, Brownian bridge, Non-linear diffusion, Euler approximation, Markov chain Monte Carlo, Metropolis-Hastings algorithm, Missing data, Simulation, Stochastic differential equation
Abstract: This paper provides methods for carrying out likelihood based inference for diffusion driven models, for example discretely observed multivariate diffusions, continuous time stochastic volatility models and counting process models. The diffusions can potentially be non-stationary. Although our methods are sampling based, making use of Markov chain Monte Carlo methods to sample the posterior distribution of the relevant unknowns, our general strategies and details are different from previous work along these lines. The methods we develop are simple to implement and simulation efficient. Importantly, unlike previous methods, the performance of our technique is not worsened, in fact it improves, as the degree of latent augmentation is increased to reduce the bias of the Euler approximation. In addition, our method is not subject to a degeneracy that afflicts previous techniques when the degree of latent augmentation is increased. We also discuss issues of model choice, model checking and filtering. The techniques and ideas are applied to both simulated and real data.
Published: 2004

47. Prehospital selection of patients for thrombolysis by paramedics

Author: K Pitt
Subjects: Liaison committee, Male, medicine.medical_treatment, Decision Making, Myocardial Infarction, Emergency treatment, Critical Care and Intensive Care Medicine, medicine, Humans, Thrombolytic Therapy, Myocardial infarction, Prospective Studies, Prospective cohort study, Stroke, Emergency Treatment, Aged, business.industry, Contraindications, Patient Selection, General Medicine, Thrombolysis, Middle Aged, medicine.disease, United Kingdom, Emergency Medical Technicians, Case selection, Hospital admission, Emergency Medicine, Prehospital Care, Female, Medical emergency, business
Abstract: Heart disease is the major cause of death in Wales. Myocardial infarction accounts for most fatalities either acutely or as a result of late heart failure and unheralded sudden cardiac death. Prompt relief of new coronary occlusions by thrombolytic agents has been shown to reduce significantly both early mortality and subsequent morbidity from acute myocardial infarction. The prehospital delivery of these drugs is feasible, and carries no greater risk than administration in hospital. This study tests the hypothesis that paramedics can identify patients with acute myocardial infarction who are suitable for prehospital thrombolysis, and thus reduce the "call to needle" time.Paramedics from rural Wales were trained in the acquisition and recognition of 12 lead ECGs, and also in the modified indications for thrombolytic therapy as defined by the Joint Royal Colleges Ambulance Liaison Committee (JRCALC). Ninety six consecutive patients, with possible myocardial infarction, were included in the study. The paramedics made an independent decision regarding the eligibility of the patients for thrombolysis before hospital admission, noting the time that they could have administered the drug. These decisions were compared with the treatment subsequently received in hospital.No errors were made by the paramedics in case selection (specificity of 100% (95% CI 95.9% to 100%)). There was a potential reduction in call to needle time of 41.2 minutes (95% CI 25.7 minutes to 56.9 minutes, p=0.001).It was concluded that the paramedic selection of patients for the prehospital administration of a thrombolytic is both feasible and safe.
Published: 2002

48. Auxiliary variable based particle filters

Author: Neil Shephard, Michael K. Pitt, Doucet, A, Freitas, N, and Gordon, N
Subjects: Auxiliary variables, Combinatorics, Physics, Series (mathematics), Control theory, Transition density, State (functional analysis)
Abstract: We model a time series {y t , t = 1, ..., n} using a state-space framework with the {y t |α t } being independent and with the state {α t } assumed to be Markovian. The task will be to use simulation to estimate f(α t |F t ), t = 1, ..., n, where F t is contemporaneously available information. We assume a known measurement density f(y t |α t ) and the ability to simulate from the transition density f(α t+1|α t ). Sometimes we will also assume that we can evaluate f(α t+1|α t ).
Published: 1999

49. Selective expression of estrogen receptor alpha and beta isoforms in human pituitary tumors

Author: M A, Shupnik, L K, Pitt, A Y, Soh, A, Anderson, M B, Lopes, and E R, Laws
Subjects: Adenoma, Adult, Male, Reverse Transcriptase Polymerase Chain Reaction, Estrogen Receptor alpha, Exons, Middle Aged, Receptors, Estrogen, Estrogen Receptor beta, Humans, Female, Pituitary Neoplasms, Prolactinoma, RNA, Messenger, Aged
Abstract: The physiological effects of estrogen on the pituitary, including cellular proliferation and regulation of hormone synthesis, are mediated by the nuclear estrogen receptor (ER). The ER acts as a dimer to modulate gene transcription and contains specific functional domains encoded in different exons. Two separate, but related, forms of the receptor (ERalpha and ERbeta) exist, with distinct tissue and cell patterns of expression. Additional ER isoforms, generated by alternative messenger ribonucleic acid (mRNA) exon splicing, have been defined in several tissues and are postulated to play a role in tumorigenesis or in modulating the estrogen response. We examined 71 human pituitary adenomas of varying phenotypes and 6 normal pituitary specimens for ER mRNA forms by RT-PCR and hybridization blotting analysis. All prolactinomas (n = 14) contained ERalpha, and several contained ERbeta (5 of 14) mRNA. In comparison, 6 tumors that expressed PRL and GH expressed ERbeta (4 of 6) more frequently than ERalpha (3 of 6). ERbeta mRNA was also found more frequently in null cell (8 of 24 ERalpha and 14 of 24 ERbeta) and gonadotrope (13 of 21 ERalpha and 18 of 21 ERbeta) tumors. Additionally, ERbeta was found in 4 of 6 tumors that contained only GH, although ERalpha was not observed in this tumor type. Expression of the two ER forms within a tumor type was overlapping, but some tumors contained only 1 isoform. Expression of ERalpha mRNA splice variants also varied with cell type. All normal pituitaries contained ERalpha deletions of exon 4, 5, and 7, whereas only 2 of 6 samples contained the exon 2 deletion variant. Although the same ERalpha mRNA variants were observed among the various tumor types, the proportion of specific splice variants expressed varied. For example, most ER-positive prolactinomas expressed ERalpha variants with deletions of exon 2, 4, or 5, whereas gonadotropin tumors preferentially expressed the ERalpha exon 7 deletion variant. A novel ERbeta mRNA splice variant, missing exon 2, was observed in a majority of all ERbeta-positive tumors. Immunoblotting analysis of ERalpha and ERbeta proteins supported the mRNA results. Because ERalpha and ERbeta have different biological responses to selective ER modulators, and the ER deletion variants have biological effects distinct from those of the full-length ER, expression of these isoforms may influence the biological properties of these tumors and affect their ability to respond to estrogen and antiestrogen therapies.
Published: 1998

50. Cardiac Medical Therapy Post-Coronary Bypass Grafting

Author: Faizel Osman, Michael K. Pitt, and Sohail Qaisar
Subjects: medicine.medical_specialty, medicine.anatomical_structure, Bypass grafting, business.industry, medicine, In patient, cardiovascular diseases, Cardiology and Cardiovascular Medicine, business, Medical therapy, Artery, Surgery
Abstract: We read with interest the recent review by Okrainec et al. entitled, “Cardiac Medical Therapy in Patients After Undergoing Coronary Artery Bypass Graft Surgery” ([1][1]). We congratulate the investigators on a comprehensive review of this important subject. We would, however, like to make a few
Published: 2005

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