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Objective: Since 1999, the Nursing Terminology Summits have promoted the development, evaluation, and use of reference terminology for nursing and its integration into comprehensive health care data standards. the use of such standards to represent nursing knowledge, terminology, processes, and information in electronic health records will enhance continuity of care, decision support, and the exchange of comparable patient information. As part of this activity, working groups at the 2001, 2002, and 2003 Summit Conferences examined how to represent nursing information in the Health Level 7 (HL7) Reference Information Model (RIM).Design: the working groups represented the nursing process as a dynamic sequence of phases, each containing information specific to the activities of the phase. They used Universal Modeling Language (UML) to represent this domain knowledge in models. An Activity Diagram was used to create a dynamic model of the nursing process. After creating a structural model of the information used at each stage of the nursing process, the working groups mapped that information to the HL7 RIM. They used a hierarchical structure for the organization of nursing knowledge as the basis for a hierarchical model for Findings about the patient. the modeling and mapping reported here were exploratory and preliminary not exhaustive or definitive. the intent was to evaluate the feasibility of representing some types of nursing information consistently with HL7 standards.Measurements: the working groups conducted a small-scale validation by testing examples of nursing terminology against the HL7 RIM class Observation.Results: It was feasible to map patient information from the proposed models to the RIM class Observation. Examples illustrate the models and the mapping of nursing terminology to the HL7 RIM.Conclusion: It is possible to model and map nursing information into the comprehensive health care information model, the HL7 RIM. These models must evolve and undergo further validation by clinicians. the integration of nursing information, terminology, and processes in information models is a first step toward rendering nursing information machine-readable in electronic patient records and messages. An eventual practical result, after much more development, would be to create computable, structured information for nursing documentation. Acquest Res & Dev, NL-2396 HC Koudekerk Aan Den Rijn, Netherlands Vanderbilt Univ, Nashville, TN USA Univ Iowa, Iowa City, IA USA ICN Geneva, Geneva, Switzerland Univ Wisconsin, Milwaukee, WI 53201 USA Seoul Natl Univ, Seoul, South Korea HL7 Modeling & Methodol Tech Comm, Ann Arbor, MI USA Oracle Corp, Redwood Shores, CA USA Univ Orebro, S-70130 Orebro, Sweden Universidade Federal de São Paulo, São Paulo, Brazil Johns Hopkins Univ, Sch Nursing, Baltimore, MD USA Univ Iowa, Coll Nursing, Iowa City, IA 52242 USA Universidade Federal de São Paulo, EPM, São Paulo, Brazil Web of Science

Gilead Sciences Chronic infection with hepatitis C virus (HCV) is a leading indicator for liver disease. New treatment options are becoming available, and there is a need to characterize the epidemiology and disease burden of HCV. Data for prevalence, viremia, genotype, diagnosis and treatment were obtained through literature searches and expert consensus for 16 countries. for some countries, data from centralized registries were used to estimate diagnosis and treatment rates. Data for the number of liver transplants and the proportion attributable to HCV were obtained from centralized databases. Viremic prevalence estimates varied widely between countries, ranging from 0.3% in Austria, England and Germany to 8.5% in Egypt. the largest viremic populations were in Egypt, with 6358000 cases in 2008 and Brazil with 2106000 cases in 2007. the age distribution of cases differed between countries. in most countries, prevalence rates were higher among males, reflecting higher rates of injection drug use. Diagnosis, treatment and transplant levels also differed considerably between countries. Reliable estimates characterizing HCV-infected populations are critical for addressing HCV-related morbidity and mortality. There is a need to quantify the burden of chronic HCV infection at the national level. Arud Ctr Addict Med, CH-8005 Zurich, Switzerland Univ Leipzig, D-04109 Leipzig, Germany Odense Univ Hosp, Dept Infect Dis, DK-5000 Odense, Denmark Univ Libre Brussels, Erasme Univ Hosp, Brussels, Belgium Univ Fed Rio de Janeiro, Dept Gastroenterol, Rio de Janeiro, Brazil Hop Henri Mondor, Dept Sante Publ, F-94010 Creteil, France Hosp Santa Maria, Ctr Hosp Lisboa Norte, Dept Gastroenterol, Lisbon, Portugal Univ Toronto, Toronto Gen Hosp, Univ Hlth Network, Toronto, ON M5G 1L7, Canada Nottingham Univ Hosp NHS Trust, Nottingham, England Biomed Res Unit, Nottingham, England Inst Clin & Expt Med, Dept Hepatogastroenterol, Prague, Czech Republic Ege Univ, Izmir, Turkey Ankara Univ, TR-06100 Ankara, Turkey Osped Cantonale, Dept Gastroenterol, Bellinzona, Switzerland Univ Montreal, Dept Med, Liver Unit, Montreal, PQ H3C 3J7, Canada Adv Tech Hlth Serv Res TAISS, Madrid, Spain Hosp Valle de Hebron, CIBERehd, Barcelona, Spain Hosp Santo Antonio Capuchos, Dept Gastroenterol, Ctr Hosp Lisboa Cent, Lisbon, Portugal Hosp Puerta Hierro, Madrid, Spain Univ Fed Rio Grande do Sul, Hosp Clin, Porto Alegre, RS, Brazil Region Hosp Hovedstaden, Region Hovedstaden, Denmark Univ Fed Rio de Janeiro, Dept Clin Med, Rio de Janeiro, Brazil Hannover Med Sch, Dept Gastroenterol Hepatol & Endocrinol, Hannover, Germany German Liver Fdn, Hannover, Germany Univ Plymouth, Peninsula Schools Med & Dent, Plymouth PL4 8AA, Devon, England Univ New S Wales, Kirby Inst, Sydney, NSW, Australia Cairo Univ, Cairo, Egypt Orebro Univ Hosp, Dept Infect Dis, Orebro, Sweden Univ Orebro, Sch Hlth & Med Sci, SE-70182 Orebro, Sweden Ain Shams Univ, Cairo, Egypt Dokuz Eylul Univ, Izmir, Turkey Ctr Dis Anal CDA, Louisville, CO USA Karolinska Inst, Infect Dis Unit, Dept Med Huddinge, Stockholm, Sweden Exigo Consultores, Alhos Vedros, Portugal Universidade Federal de São Paulo, Div Gastroenterol, São Paulo, Brazil Universidade Federal de São Paulo, Div Infect Dis, São Paulo, Brazil Hosp Carlos III, CIBERehd, Madrid, Spain Univ Copenhagen, Copenhagen, Denmark Direccao Geral Saude, Lisbon, Portugal Univ Estadual Campinas, Fac Ciencias Med, UNICAMP,Dept Clin Med, Grp Estudo Hepatites,Disciplina Doencas Infeccios, São Paulo, Brazil Wilhelminenspital Stadt Wien, Dept Internal Med 4, Vienna, Austria Univ São Paulo, Sch Med, Div Gastroenterol & Hepatol, São Paulo, Brazil Hop Henri Mondor, Serv Hepatogastroenterol, F-94010 Creteil, France Med Univ Vienna, Dept Internal Med 3, Div Gastroenterol & Hepatol, Vienna, Austria Masaryk Univ, Univ Hosp Brno, Clin Infect Dis, Brno, Czech Republic Ankara Univ, Dept Gastroenterol, Sch Med, TR-06100 Ankara, Turkey Univ Manitoba, Dept Internal Med, Sect Hepatol, Winnipeg, MB, Canada Hlth Sci Ctr, Viral Hepatitis Invest Unit, Winnipeg, MB, Canada European Liver Patients Assoc, St Truiden, Belgium Istanbul Univ, Istanbul, Turkey Univ British Columbia, British Columbia Ctr Dis Control, Vancouver, BC V5Z 1M9, Canada Aalborg Univ Hosp, Dept Med Gastroenterol, Aalborg, Denmark Aalborg Univ Hosp, Sect Mol Diagnost, Aalborg, Denmark Katholieke Univ Leuven, Univ Hosp Leuven, Louvain, Belgium Univ Western Ontario, Div Gastroenterol, London, ON, Canada Univ Dusseldorf, Dusseldorf, Germany Univ São Paulo, Sch Med, São Paulo, Brazil Univ Zurich Hosp, Swiss HPB Hepatopancreatobiliary Ctr, CH-8091 Zurich, Switzerland Univ Zurich Hosp, Dept Gastroenterol & Hepatol, CH-8091 Zurich, Switzerland Univ Calgary, Liver Unit, Div Gastroenterol & Hepatol, Calgary, AB, Canada Univ Hosp, Div Gastroenterol & Hepatol, Geneva, Switzerland Univ Hosp, Div Clin Pathol, Geneva, Switzerland Natl Inst Publ Hlth, Natl Reference Lab Hepatitis, Prague, Czech Republic Univ Southhampton, Southampton, England Dalhousie Univ, Dept Med, Halifax, NS, Canada Dalhousie Univ, Dept Surg, Halifax, NS B3H 4H2, Canada Capital Dist Hlth Author, Serv Hepatol, Queen Elizabeth II Hlth Sci Ctr, Halifax, NS, Canada Univ British Columbia, Dept Gastroenterol, Vancouver, BC V5Z 1M9, Canada Assembleia Republ, Lisbon, Portugal Alfred Hosp, Melbourne, Vic, Australia Monash Univ, Melbourne, Vic 3004, Australia UCL, UCL Inst Liver & Digest Hlth, Div Med, London, England Ctr Hosp Porto, Dept Infect Dis, Oporto, Portugal JW Goethe Univ Hosp, Frankfurt, Germany Cantonal Hosp St Gallen, Div Gastroenterol & Hepatol, St Gallen, Switzerland Egyptian Liver Res Inst & Hosp ELRIAH, Dakahliah, Egypt Monash Hlth, Melbourne, Vic, Australia Catholic Univ Louvain, Clin Univ St Luc, Brussels, Belgium Med Univ Graz, Dept Internal Med, Div Gastroenterol & Hepatol, Graz, Austria St Vincents Hosp, Dept Gastroenterol, Melbourne, Vic, Australia Univ Melbourne, Melbourne, Vic, Australia Charles Univ Prague, Dept Internal Med, Fac Med 1, Prague, Czech Republic Cent Mil Hosp, Prague, Czech Republic Deutsch Leberhilfe eV, Cologne, Germany Ghent Univ Hosp, Ghent, Belgium Univ Ghent, B-9000 Ghent, Belgium Hasselt Univ, Dept Hlth Econ & Patient Safety, Diepenbeek, Belgium Med Univ Innsbruck, A-6020 Innsbruck, Austria Natl Liver Inst, Menoufia, Egypt Copenhagen Univ Hosp, Hvidovre, Denmark Univ New S Wales, St George Hosp Clin Sch Med, Sydney, NSW, Australia Univ New S Wales, Sch Med Sci, Sydney, NSW, Australia Univ Antwerp, B-2020 Antwerp, Belgium Karolinska Inst, Dept Med Huddinge, Stockholm, Sweden Karolinska Univ Hosp, Dept Gastroenterol & Hepatol Infect Dis, Stockholm, Sweden Universidade Federal de São Paulo, Div Gastroenterol, São Paulo, Brazil Universidade Federal de São Paulo, Div Infect Dis, São Paulo, Brazil Web of Science

International audience; Oxygenated polycyclic aromatic hydrocarbons (oxy-PAHs) and nitrogen heterocyclic polycyclic aromatic compounds (N-PACs) are toxic, highly leachable and often abundant at sites that are also contaminated with PAHs. However, due to lack of regulations and standardized methods for their analysis, they are seldom included in monitoring and risk-assessment programs. This intercomparison study constitutes an important step in the harmonization of the analytical methods currently used, and may also be considered a first step towards the certification of reference materials for these compounds. The results showed that the participants were able to determine oxy-PAHs with accuracy similar to PAHs, with average determined mass fractions agreeing well with the known levels in a spiked soil and acceptable inter- and intra-laboratory precisions for all soils analyzed. For the N-PACs, the results were less satisfactory, and have to be improved by using analytical methods more specifically optimized for these compounds. (C) 2014 Elsevier Ltd. All rights reserved.

Gilead Sciences The number of hepatitis C virus (HCV) infections is projected to decline while those with advanced liver disease will increase. A modeling approach was used to forecast two treatment scenarios: (i) the impact of increased treatment efficacy while keeping the number of treated patients constant and (ii) increasing efficacy and treatment rate. This analysis suggests that successful diagnosis and treatment of a small proportion of patients can contribute significantly to the reduction of disease burden in the countries studied. the largest reduction in HCV-related morbidity and mortality occurs when increased treatment is combined with higher efficacy therapies, generally in combination with increased diagnosis. With a treatment rate of approximately 10%, this analysis suggests it is possible to achieve elimination of HCV (defined as a >90% decline in total infections by 2030). However, for most countries presented, this will require a 3-5 fold increase in diagnosis and/or treatment. Thus, building the public health and clinical provider capacity for improved diagnosis and treatment will be critical. Hannover Med Sch, Dept Gastroenterol Hepatol & Endocrinol, D-30625 Hannover, Germany German Liver Fdn, Hannover, Germany Orebro Univ Hosp, Dept Infect Dis, Orebro, Sweden Univ Orebro, Sch Hlth & Med Sci, SE-70182 Orebro, Sweden Hosp Valle de Hebron, CIBERehd, Barcelona, Spain UCL, Div Med, UCL Inst Liver & Digest Hlth, London, England Inst Clin & Expt Med, Dept Hepatogastroenterol, Prague, Czech Republic Cairo Univ, Cairo, Egypt Ankara Univ, TR-06100 Ankara, Turkey Ghent Univ Hosp, Ghent, Belgium Wilhelminenspital Stadt Wien, Dept Internal Med 4, Vienna, Austria Ege Univ, Izmir, Turkey Karolinska Inst, Dept Med Huddinge, Stockholm, Sweden Karolinska Univ Hosp, Dept Gastroenterol & Hepatol Infect Dis, Stockholm, Sweden Univ Leipzig, D-04109 Leipzig, Germany Osped Cantonale, Dept Gastroenterol, Bellinzona, Switzerland Univ Montreal, Dept Med, Liver Unit, Montreal, PQ H3C 3J7, Canada Adv Tech Hlth Serv Res TAISS, Madrid, Spain Fed Univ State Rio de Janeiro, Dept Gastroenterol, Rio de Janeiro, Brazil Arud Ctr Addict Med, Zurich, Switzerland Hosp Santo Antonio Capuchos, Ctr Hosp Lisboa Cent, Dept Gastroenterol, Lisbon, Portugal Hosp Puerta Hierro, Madrid, Spain Univ Fed Rio Grande do Sul, Hosp Clin, Porto Alegre, RS, Brazil Odense Univ Hosp, Dept Infect Dis, DK-5000 Odense, Denmark Region Hosp Hovedstaden, Region Hovedstaden, Denmark Univ Fed Rio de Janeiro, Dept Clin Med, Rio de Janeiro, Brazil Univ Plymouth, Peninsula Sch Med & Dent, Plymouth PL4 8AA, Devon, England Univ New S Wales, Kirby Inst, Sydney, NSW, Australia Ain Shams Univ, Cairo, Egypt Dokuz Eylul Univ, Izmir, Turkey Ctr Dis Anal CDA, Louisville, CO USA Karolinska Inst, Dept Med Huddinge, Karolinska Univ Hosp, Infect Dis Unit, Stockholm, Sweden Exigo Consultores, Alhos Vedros, Portugal Universidade Federal de São Paulo, Div Gastroenterol, São Paulo, Brazil Universidade Federal de São Paulo, Div Infect Dis, São Paulo, Brazil Hosp Carlos III, CIBERehd, Madrid, Spain Univ Copenhagen, Copenhagen, Denmark Direccao Geral Saude, Lisbon, Portugal Univ Estadual Campinas, Fac Ciencias Med, Disciplina Doencas Infecciosas, Grp Estudo Hepatites,Dept Clin Med, São Paulo, Brazil Univ São Paulo, Sch Med, Div Gastroenterol & Hepatol, São Paulo, Brazil Hop Henri Mondor, Serv Hepatogastroenterol, F-94010 Creteil, France Med Univ Vienna, Div Gastroenterol & Hepatol, Dept Internal Med 3, Vienna, Austria Masaryk Univ, Clin Infect Dis, Univ Hosp Brno, Brno, Czech Republic Ankara Univ, Dept Gastroenterol, Sch Med, TR-06100 Ankara, Turkey Univ Manitoba, Dept Internal Med, Sect Hepatol, Winnipeg, MB, Canada Hlth Sci Ctr, Viral Hepatitis Invest Unit, Winnipeg, MB, Canada European Liver Patients Assoc, St Truiden, Belgium Istanbul Univ, Istanbul, Turkey Univ British Columbia, British Columbia Ctr Dis Control, Vancouver, BC V5Z 1M9, Canada Aalborg Univ Hosp, Dept Med Gastroenterol, Aalborg, Denmark Aalborg Univ Hosp, Sect Mol Diagnost, Aalborg, Denmark Katholieke Univ Leuven, Univ Hosp Leuven, Louvain, Belgium Univ Western Ontario, Div Gastroenterol, London, ON, Canada Univ Dusseldorf, Dusseldorf, Germany Univ São Paulo, Sch Med, São Paulo, Brazil Univ Libre Brussels, Erasme Univ Hosp, Brussels, Belgium Univ Zurich Hosp, Swiss HPB Hepatopancreatobiliary Ctr, CH-8091 Zurich, Switzerland Univ Zurich Hosp, Dept Gastroenterol & Hepatol, CH-8091 Zurich, Switzerland Univ Calgary, Div Gastroenterol & Hepatol, Liver Unit, Calgary, AB, Canada Natl Inst Publ Hlth, Natl Reference Lab Hepatitis, Prague, Czech Republic Univ Southhampton, Southampton, England Dalhousie Univ & Hepatol Serv, Queen Elizabeth II Hlth Sci Ctr, Capital Dist Hlth Author, Dept Med, Halifax, NS, Canada Dalhousie Univ & Hepatol Serv, Queen Elizabeth II Hlth Sci Ctr, Capital Dist Hlth Author, Dept Surg, Halifax, NS, Canada Univ British Columbia, Dept Gastroenterol, Vancouver, BC V5Z 1M9, Canada Assembleia Republ, Lisbon, Portugal Alfred Hosp, Melbourne, Vic, Australia Monash Univ, Melbourne, Vic 3004, Australia Hop Henri Mondor, Dept Sante Publ, F-94010 Creteil, France Nottingham Univ Hosp NHS Trust, Nottingham, England Biomed Res Unit, Nottingham, England Ctr Hosp Porto, Dept Infect Dis, Oporto, Portugal JW Goethe Univ Hosp, Frankfurt, Germany Cantonal Hosp St Gallen, Div Gastroenterol & Hepatol, St Gallen, Switzerland Univ Toronto, Toronto Gen Hosp, Univ Hlth Network, Toronto, ON M5G 1L7, Canada Egyptian Liver Res Inst & Hosp ELRIAH, Dakahliah, Egypt Catholic Univ Louvain, Clin Univ St Luc, Brussels, Belgium Med Univ Graz, Div Gastroenterol & Hepatol, Dept Internal Med, Graz, Austria St Vincents Hosp, Dept Gastroenterol, Melbourne, Vic, Australia Univ Melbourne, Melbourne, Vic, Australia Charles Univ Prague, Dept Internal Med, Fac Med 1, Prague, Czech Republic Cent Mil Hosp, Prague, Czech Republic Univ Antwerp, B-2020 Antwerp, Belgium Deutsch Leberhilfe eV, Cologne, Germany Univ Ghent, Dept Hlth Econ & Patient Safety, B-9000 Ghent, Belgium Hasselt Univ, Diepenbeek, Belgium Med Univ Innsbruck, A-6020 Innsbruck, Austria Natl Liver Inst, Menoufia, Egypt Copenhagen Univ Hosp, Hvidovre, Denmark Univ New S Wales, St George Hosp Clin Sch Med, Sydney, NSW, Australia Univ New S Wales, Sch Med Sci, Sydney, NSW, Australia Univ Hosp, Div Gastroenterol & Hepatol, Geneva, Switzerland Univ Hosp, Div Clin Pathol, Geneva, Switzerland Monash Hlth, Melbourne, Vic, Australia Division of Gastroenterology, Federal University of São Paulo, São Paulo, Brazil Division of Infectious Disease, Federal University of São Paulo, São Paulo, Brazil Web of Science

Gilead Sciences The disease burden of hepatitis C virus (HCV) is expected to increase as the infected population ages. A modelling approach was used to estimate the total number of viremic infections, diagnosed, treated and new infections in 2013. in addition, the model was used to estimate the change in the total number of HCV infections, the disease progression and mortality in 2013-2030. Finally, expert panel consensus was used to capture current treatment practices in each country. Using today's treatment paradigm, the total number of HCV infections is projected to decline or remain flat in all countries studied. However, in the same time period, the number of individuals with late-stage liver disease is projected to increase. This study concluded that the current treatment rate and efficacy are not sufficient to manage the disease burden of HCV. Thus, alternative strategies are required to keep the number of HCV individuals with advanced liver disease and liver-related deaths from increasing. Ctr Dis Anal, Louisville, CO 80027 USA Natl Liver Inst, Menoufia, Egypt JW Goethe Univ Hosp, Frankfurt, Germany Univ Calgary, Liver Unit, Div Gastroenterol & Hepatol, Calgary, AB, Canada Ankara Univ, Dept Gastroenterol, Sch Med, TR-06100 Ankara, Turkey Hosp Santo Antonio Capuchos, Dept Gastroenterol, Ctr Hosp Lisboa Cent, Lisbon, Portugal Med Univ Innsbruck, A-6020 Innsbruck, Austria Univ São Paulo, Sch Med, São Paulo, Brazil Hop Henri Mondor, Serv Hepatogastroenterol, F-94010 Creteil, France Adv Tech Hlth Serv Res TAISS, Madrid, Spain Ege Univ, Izmir, Turkey Karolinska Inst, Dept Med Huddinge, Stockholm, Sweden Karolinska Univ Hosp, Dept Gastroenterol & Hepatol Infect Dis, Stockholm, Sweden Ankara Univ, TR-06100 Ankara, Turkey Univ Leipzig, D-04109 Leipzig, Germany Osped Cantonale, Dept Gastroenterol, Bellinzona, Switzerland Univ Montreal, Dept Med, Liver Unit, Montreal, PQ H3C 3J7, Canada Fed Univ State Rio de Janeiro, Dept Gastroenterol, Rio de Janeiro, Brazil Arud Ctr Addict Med, Zurich, Switzerland Hosp Valle de Hebron, CIBERehd, Barcelona, Spain Hosp Puerta Hierro, Madrid, Spain Univ Fed Rio Grande do Sul, Hosp Clin, Porto Alegre, RS, Brazil Odense Univ Hosp, Dept Infect Dis, DK-5000 Odense, Denmark Reg Hosp Hovedstaden, Copenhagen, Denmark Univ Fed Rio de Janeiro, Dept Clin Med, Rio de Janeiro, Brazil Univ Plymouth, Peninsula Sch Med & Dent, Plymouth PL4 8AA, Devon, England Univ New S Wales, Kirby Inst, Sydney, NSW, Australia Cairo Univ, Cairo, Egypt Orebro Univ Hosp, Dept Infect Dis, Orebro, Sweden Univ Orebro, Sch Hlth & Med Sci, SE-70182 Orebro, Sweden Ain Shams Univ, Cairo, Egypt Dokuz Eylul Univ, Izmir, Turkey Karolinska Inst, Karolinska Univ Hosp, Dept Med Huddinge, Infect Dis Unit, Stockholm, Sweden Exigo Consultores, Alhos Vedros, Portugal Universidade Federal de São Paulo, Div Gastroenterol, São Paulo, Brazil Universidade Federal de São Paulo, Div Infect Dis, São Paulo, Brazil Inst Clin & Expt Med, Dept Hepatogastroenterol, Prague, Czech Republic Hosp Carlos III, CIBERehd, Madrid, Spain Univ Copenhagen, Copenhagen, Denmark Direccao Geral Saude, Lisbon, Portugal Univ Estadual Campinas, Disciplina Doencas Infecciosas, Dept Clin Med, Grp Estudo Hepatites,Fac Ciencias Med,UNICAMP, São Paulo, Brazil Wilhelminenspital Stadt Wien, Dept Internal Med 4, Vienna, Austria Univ São Paulo, Sch Med, Div Gastroenterol & Hepatol, São Paulo, Brazil Med Univ Vienna, Div Gastroenterol & Hepatol, Dept Internal Med 3, Vienna, Austria Masaryk Univ, Univ Hosp Brno, Clin Infect Dis, Brno, Czech Republic Univ Manitoba, Dept Internal Med, Sect Hepatol, Winnipeg, MB, Canada Hlth Sci Ctr, Viral Hepatitis Invest Unit, Winnipeg, MB, Canada European Liver Patients Assoc, St Truiden, Belgium Istanbul Univ, Istanbul, Turkey Univ British Columbia, British Columbia Ctr Dis Control, Vancouver, BC V5Z 1M9, Canada Aalborg Univ Hosp, Dept Med Gastroenterol, Aalborg, Denmark Aalborg Univ Hosp, Sect Mol Diagnost, Aalborg, Denmark Katholieke Univ Leuven, Univ Hosp Leuven, Louvain, Belgium Hosp Santa Maria, Dept Gastroenterol, Ctr Hosp Lisboa Norte, Lisbon, Portugal Univ Western Ontario, Div Gastroenterol, London, ON, Canada Univ Dusseldorf, Dusseldorf, Germany Univ Libre Brussels, Erasme Univ Hosp, Brussels, Belgium Univ Hosp, Div Gastroenterol & Hepatol, Geneva, Switzerland Univ Hosp, Div Clin Pathol, Geneva, Switzerland Natl Inst Publ Hlth, Natl Reference Lab Hepatitis, Prague, Czech Republic Univ Southhampton, Southampton, England Dalhousie Univ & Hepatol Serv, Capital Dist Hlth Author, Queen Elizabeth II Hlth Sci Ctr, Dept Med, Halifax, NS, Canada Dalhousie Univ & Hepatol Serv, Capital Dist Hlth Author, Queen Elizabeth II Hlth Sci Ctr, Dept Surg, Halifax, NS, Canada Univ British Columbia, Dept Gastroenterol, Vancouver, BC V5Z 1M9, Canada Assembleia Republ, Lisbon, Portugal Alfred Hosp, Melbourne, Vic, Australia Monash Univ, Melbourne, Vic 3004, Australia UCL, Div Med, UCL Inst Liver & Digest Hlth, London, England Hop Henri Mondor, Dept Sante Publ, F-94010 Creteil, France Nottingham Univ Hosp NHS Trust, Nottingham, England Biomed Res Unit, Nottingham, England Ctr Hosp Porto, Dept Infect Dis, Oporto, Portugal Cantonal Hosp St Gallen, Div Gastroenterol & Hepatol, St Gallen, Switzerland Univ Toronto, Toronto Gen Hosp, Univ Hlth Network, Toronto, ON M5G 1L7, Canada Egyptian Liver Res Inst & Hosp, Dakahliah, Egypt Monash Hlth, Melbourne, Vic, Australia Catholic Univ Louvain, Clin Univ St Luc, Brussels, Belgium Med Univ Graz, Div Gastroenterol & Hepatol, Dept Internal Med, Graz, Austria St Vincents Hosp, Dept Gastroenterol, Melbourne, Vic, Australia Univ Melbourne, Melbourne, Vic, Australia Charles Univ Prague, Dept Internal Med, Fac Med 1, Prague, Czech Republic Cent Mil Hosp, Prague, Czech Republic Univ Antwerp, B-2020 Antwerp, Belgium Deutsch Leberhilfe eV, Cologne, Germany Ghent Univ Hosp, Ghent, Belgium Univ Ghent, Belgium Hasselt Univ, Dept Hlth Econ & Patient Safety, Diepenbeek, Belgium Hannover Med Sch, Dept Gastroenterol Hepatol & Endocrinol, Hannover, Germany Copenhagen Univ Hosp, Hvidovre, Denmark Univ New S Wales, St George Hosp Clin Sch Med, Sydney, NSW, Australia Univ New S Wales, Sch Med Sci, Sydney, NSW, Australia Univ Zurich Hosp, Swiss HPB Hepatopancreatobiliary Ctr, CH-8091 Zurich, Switzerland Univ Zurich Hosp, Dept Gastroenterol & Hepatol, CH-8091 Zurich, Switzerland Universidade Federal de São Paulo, Div Gastroenterol, São Paulo, Brazil Universidade Federal de São Paulo, Div Infect Dis, São Paulo, Brazil Web of Science