862 results on '"Galle P"'
Search Results
2. Potential Impact of IMbrave150 Results in the Evolving Treatment Landscape of Advanced Hepatocellular Carcinoma: A Multidisciplinary Expert Opinion
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Kulik L, da Fonseca LG, He AR, Rimola J, Wilson Woods A, Zöllner YF, and Galle PR
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hepatocellular carcinoma ,immuno-oncologics ,biomarkers ,patient-reported outcomes ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Laura Kulik,1 Leonardo G da Fonseca,2 Aiwu Ruth He,3 Jordi Rimola,4 Andrea Wilson Woods,5 York F Zöllner,6 Peter R Galle7 1Northwestern University, Chicago, IL, USA; 2Clinical Oncology, Instituto do Cancer do Estado de São Paulo, São Paulo, Brazil; 3Georgetown University, Washington, DC, USA; 4Radiology Department, Hospital Clínic de Barcelona, Barcelona, Catalonia, Spain; 5Blue Faery: The Adrienne Wilson Liver Cancer Association, Birmingham, AL, USA; 6Hamburg University of Applied Sciences, Competence Center Health, Hamburg, Germany; 7University Medical Centre Mainz, Mainz, GermanyCorrespondence: Peter R GalleUniversity Medical Centre Mainz, Mainz, GermanyTel +49 6131 177275Email Peter.Galle@unimedizin-mainz.deAbstract: A virtual expert roundtable was convened on April 16, 2020, to discuss the evolving landscape of care for treating patients with advanced hepatocellular carcinoma (HCC) and discuss questions related to patient care and treatment selection. This commentary presents highlights from this discussion and provides an expert opinion about approaches to treatment for HCC in the Americas and the European Union. We anticipate that atezolizumab plus bevacizumab will become the standard of care for advanced HCC patients. However, this approach will make decisions regarding the sequencing of treatments for second-line therapies and beyond more challenging. Therapy will require individualization based on patient characteristics and preferences, while insurance coverage decisions and requirements may also impact the options that patients can access. Additional research regarding prognostic and predictive biomarkers is needed to help better identify optimal treatment approaches for specific patient populations. Multidisciplinary tumor boards will continue to play a critical role in guiding treatment selection for individual patients. Atezolizumab plus bevacizumab offers a promising new first-line therapeutic option for patients with advanced HCC, but more research is needed to optimize and individualize patient therapy.Keywords: hepatocellular carcinoma, immuno-oncologics, biomarkers, patient-reported outcomes
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- 2020
3. On Leakage of Code Generation Evaluation Datasets
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Matton, Alexandre, Sherborne, Tom, Aumiller, Dennis, Tommasone, Elena, Alizadeh, Milad, He, Jingyi, Ma, Raymond, Voisin, Maxime, Gilsenan-McMahon, Ellen, and Gallé, Matthias
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Computer Science - Computation and Language - Abstract
In this paper, we consider contamination by code generation test sets, in particular in their use in modern large language models. We discuss three possible sources of such contamination and show findings supporting each of them: (i) direct data leakage, (ii) indirect data leakage through the use of synthetic data and (iii) overfitting to evaluation sets during model selection. To address this, we release Less Basic Python Problems (LBPP): an uncontaminated new benchmark of 161 prompts with their associated Python solutions. LBPP is released at https://huggingface.co/datasets/CohereForAI/lbpp ., Comment: EMNLP 2024 Findings. 5 main pages, 9 in total
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- 2024
4. Improving Reward Models with Synthetic Critiques
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Ye, Zihuiwen, Greenlee-Scott, Fraser, Bartolo, Max, Blunsom, Phil, Campos, Jon Ander, and Gallé, Matthias
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Computer Science - Computation and Language - Abstract
Reward models (RMs) play a critical role in aligning language models through the process of reinforcement learning from human feedback. RMs are trained to predict a score reflecting human preference, which requires significant time and cost for human annotation. Additionally, RMs tend to quickly overfit on superficial features in the training set, hindering their generalization performance on unseen distributions. We propose a novel approach using synthetic natural language critiques generated by large language models to provide additional feedback, evaluating aspects such as instruction following, correctness, and style. This offers richer signals and more robust features for RMs to assess and score on. We demonstrate that high-quality critiques improve the performance and data efficiency of RMs initialized from different pretrained models, reducing the reliance on costly human annotations. Furthermore, incorporating critiques improves both the interpretability and robustness of RM training.
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- 2024
5. Star-Image Centering with Deep Learning II: HST/WFPC2 Full Field of View
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Casetti-Dinescu, Dana I., Baena-Galle, Roberto, Girard, Terrence M., Cervantes-Rovira, Alejandro, and Todeasa, Sebastian
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
We present an expanded and improved deep-learning (DL) methodology for determining centers of star images on HST/WFPC2 exposures. Previously, we demonstrated that our DL model can eliminate the pixel-phase bias otherwise present in these undersampled images; however that analysis was limited to the central portion of each detector. In the current work we introduce the inclusion of global positions to account for the PSF variation across the entire chip and instrumental magnitudes to account for nonlinear effects such as charge transfer efficiency. The DL model is trained using a unique series of WFPC2 observations of globular cluster 47 Tuc, data sets comprising over 600 dithered exposures taken in each of two filters, F555W and F814W. It is found that the PSF variations across each chip correspond to corrections of the order of 100 mpix, while magnitude effects are at a level of about 10 mpix. Importantly, pixel-phase bias is eliminated with the DL model; whereas, with a classic centering algorithm, the amplitude of this bias can be up to 40 mpix. Our improved DL model yields star-image centers with uncertainties of 8-10 mpix across the full field of view of WFPC2., Comment: accepted for publication by PASP
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- 2024
6. LLMCRIT: Teaching Large Language Models to Use Criteria
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Yuan, Weizhe, Liu, Pengfei, and Gallé, Matthias
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Computer Science - Computation and Language - Abstract
Humans follow criteria when they execute tasks, and these criteria are directly used to assess the quality of task completion. Therefore, having models learn to use criteria to provide feedback can help humans or models to perform tasks better. However, existing research in this field tends to consider only a limited set of criteria or quality assessment aspects. To fill this gap, we propose a general framework that enables large language models (LLMs) to use comprehensive criteria for a task in delivering natural language feedback on task execution. In particular, we present a model-in-the-loop framework that semi-automatically derives criteria from collected guidelines for different writing tasks and constructs in-context demonstrations for each criterion. We choose three tasks from real-world scenarios to operationalize this idea: paper introduction writing, Python code writing, and Reddit post writing, and evaluate our feedback generation framework using different LLMs. The results reveal the fine-grained effects of incorporating criteria and demonstrations and provide valuable insights on how to teach LLMs to use criteria more effectively., Comment: ACL 2024 findings
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- 2024
7. Implementing a new Research Data Alliance recommendation, the I-ADOPT framework, for the naming of environmental variables of continental surfaces
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Charly, Coussot, Isabelle, Braud, Véronique, Chaffard, Brice, Boudevillain, and Galle, Sylvie
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- 2024
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8. Ecological niche modeling for the prediction of suitable environments for Chrysodeixis chalcites (Noctuidae) in the contiguous United States
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Galle, Nicholas A., Hankins, Kayla R., Bucheli, Sibyl R., Williams, Justin K., and Randle, Christopher P.
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- 2024
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9. Back to Basics: Revisiting REINFORCE Style Optimization for Learning from Human Feedback in LLMs
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Ahmadian, Arash, Cremer, Chris, Gallé, Matthias, Fadaee, Marzieh, Kreutzer, Julia, Pietquin, Olivier, Üstün, Ahmet, and Hooker, Sara
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Computer Science - Machine Learning ,I.2.7 - Abstract
AI alignment in the shape of Reinforcement Learning from Human Feedback (RLHF) is increasingly treated as a crucial ingredient for high performance large language models. Proximal Policy Optimization (PPO) has been positioned by recent literature as the canonical method for the RL part of RLHF. However, it involves both high computational cost and sensitive hyperparameter tuning. We posit that most of the motivational principles that led to the development of PPO are less of a practical concern in RLHF and advocate for a less computationally expensive method that preserves and even increases performance. We revisit the formulation of alignment from human preferences in the context of RL. Keeping simplicity as a guiding principle, we show that many components of PPO are unnecessary in an RLHF context and that far simpler REINFORCE-style optimization variants outperform both PPO and newly proposed "RL-free" methods such as DPO and RAFT. Our work suggests that careful adaptation to LLMs alignment characteristics enables benefiting from online RL optimization at low cost., Comment: 27 pages, 7 figures, 2 tables
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- 2024
10. `Keep it Together': Enforcing Cohesion in Extractive Summaries by Simulating Human Memory
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Cardenas, Ronald, Galle, Matthias, and Cohen, Shay B.
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Computer Science - Computation and Language ,Computer Science - Artificial Intelligence - Abstract
Extractive summaries are usually presented as lists of sentences with no expected cohesion between them. In this paper, we aim to enforce cohesion whilst controlling for informativeness and redundancy in summaries, in cases where the input exhibits high redundancy. The pipeline controls for redundancy in long inputs as it is consumed, and balances informativeness and cohesion during sentence selection. Our sentence selector simulates human memory to keep track of topics --modeled as lexical chains--, enforcing cohesive ties between noun phrases. Across a variety of domains, our experiments revealed that it is possible to extract highly cohesive summaries that nevertheless read as informative to humans as summaries extracted by only accounting for informativeness or redundancy. The extracted summaries exhibit smooth topic transitions between sentences as signaled by lexical chains, with chains spanning adjacent or near-adjacent sentences.
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- 2024
11. Study of Non-Verbal Behavior in Conversational Agents
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Maccari, Camila Vicari, de Melo, Gustavo Galle, Knob, Paulo Ricardo, and Musse, Soraia Raupp
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Computer Science - Human-Computer Interaction - Abstract
This paper studies the non-verbal behavior of a conversational agent named Arthur. We propose the development of body movements for this agent, which interacts solely through voice commands, chat, and videos with facial animations. This research aims to analyze users' perceptions regarding the gestures performed by Arthur. This study was conducted with participants who agreed to interact directly or through video with the conversational agent. The main goal is to analyze whether including nonverbal movements alters users' perception so that they feel more comfortable watching the video or interacting in real-time., Comment: Paper presented as Final Project in Computer Science - Pontifical Catholic university of Rio Grande do Sul (Brazil)
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- 2023
12. Stellar Population Properties in the Stellar Streams Around SPRC047
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Laine, Seppo, Martınez-Delgado, David, Webb, Kristi A., Akhlaghi, Mohammad, Baena-Gallé, Roberto, Paudel, Sanjaya, Stein, Michael, and Erkal, Denis
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Astrophysics - Astrophysics of Galaxies - Abstract
We have investigated the properties (e.g., age, metallicity) of the stellar populations of a ring-like tidal stellar stream (or streams) around the edge-on galaxy SPRC047 (z = 0.031) using spectral energy distribution (SED) fits to integrated broad-band aperture flux densities. We used visual images in six different bands and Spitzer/IRAC 3.6 micron data. We have attempted to derive best-fit stellar population parameters (metallicity, age) in three non-contiguous segments of the stream. Due to the very low surface brightness of the stream, we have performed a deconvolution with a Richardson-Lucy type algorithm of the low spatial resolution 3.6 micron IRAC image, thereby reducing the effect of the point-spread-function (PSF) aliased "emission" from the bright edge-on central galaxy at the locations of our three stream segments. Our SED fits that used several different star formation history priors, from an exponentially decaying star formation burst to continuous star formation, indicate that the age-metallicity-dust degeneracy is not resolved, most likely because of inadequate wavelength coverage and low signal-to-noise ratios of the low surface brightness features. We also discuss how future deep visual-near-infrared observations, combined with absolute flux calibration uncertainties at or below the 1 per cent level, complemented by equally well absolute flux calibrated observations in ultraviolet and mid-infrared bands, would improve the accuracy of broad-band SED fitting results for low surface brightness targets, such as stellar streams around nearby galaxies that are not resolved into stars., Comment: Accepted for publication in the Astrophysical Journal
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- 2023
13. Efficacy and safety of direct-acting antiviral therapy in previous hard-to-treat patients with recurrent hepatitis C virus infection after liver transplantation: a real-world cohort
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Bernuth S, Grimm D, Vollmar J, Darstein F, Mittler J, Heise M, Hoppe-Lotichius M, Galle PR, Lang H, and Zimmermann T
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HCV ,hepatitis C ,DAA ,direct acting antivirals ,liver transplantation ,sofosbuvir ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Sebastian Bernuth,1 Daniel Grimm,1 Johanna Vollmar,1 Felix Darstein,1 Jens Mittler,2 Michael Heise,2 Maria Hoppe-Lotichius,2 Peter R Galle,1 Hauke Lang,2 Tim Zimmermann1 1First Department of Internal Medicine, Transplant Hepatology, 2General-, Abdominal- and Transplant- Surgery, University Medical Center, Johannes Gutenberg University, Mainz, Germany Background: Recurrent hepatitis C virus (HCV) infection after liver transplantation (LT) has been a frequent and relevant problem in the past two decades. This analysis evaluated the efficacy and safety of new interferon (IFN)-free direct-acting antiviral (DAA) therapies in a large real-world cohort of HCV patients after LT.Methods: We retrospectively analyzed a cohort of 157 patients infected with HCV who underwent deceased donor LT between 1997 and 2014. Patient survival, outcome, and side effects of antiviral therapy were assessed.Results: Survival with recurrent HCV genotype 1 (GT1) infection was inferior to other HCV GTs (P=0.01). The overall sustained virological response (SVR) rate with new DAA therapy was 94.6% (n=37). Patients with both GT1 and other GTs reached SVR rates >90%. We noticed a few side effects, mainly caused by ribavirin, and only one discontinuation in DAA-treated patients.Conclusion: DAA therapy was effective and safe in previous hard-to-treat patients after LT in this real-world cohort. Keywords: HCV, DAA, liver transplantation, reinfection, sustained virological response, SVR
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- 2017
14. The HOPE cohort: cohort profile and evaluation of selection bias
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Zacher Kjeldsen, Mette-Marie, Mægbæk, Merete Lund, Liu, Xiaoqin, Madsen, Malene Galle, Bliddal, Mette, Egsgaard, Sofie, Bang Madsen, Kathrine, and Munk-Olsen, Trine
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- 2024
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15. Hybrid air-bulk multi-pass cell compressor for high pulse energies with full spatio-temporal characterization
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Omar, Alan, Hoffmann, Martin, Galle, Geoffrey, Sylla, FranÇOis, and Saraceno, Clara J.
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Physics - Optics - Abstract
Multi-pass cell (MPC) compressors have proven to be the method of choice for compression of high average power long-pulse Yb lasers. Yet, generating sub-30 fs pulses at high pulse energy with compact and simple components remains a challenge. This work demonstrates an efficient and cost-effective approach for nonlinear pulse compression at high pulse energy using a hybrid air-bulk MPC. By carefully balancing the relative nonlinear contributions of ambient air and fused silica, we achieve strong spectral broadening without dispersion engineering or pressure-control inside the cell at 400 uJ pulse energy. In this way, we compress pulses from 220 fs to 27 fs at 40.3 W of average power (100 kHz repetition rate), enhancing the peak power from 1.6 GW to 10.2 GW while maintaining 78% of the energy within the main pulse. Our approach combines the strengths of gas-filled and bulk compression schemes and exhibits excellent overall optical transmission (91%) and spectral uniformity. Moreover, we utilize the INSIGHT technique to investigate spatio-temporal couplings and geometrical aberrations of the compressed pulse. Our results demonstrate remarkable temporal homogeneity, with an average Strehl ratio of 0.97 consistently observed throughout the entire spectral profile. Additionally, all spectrally-integrated Zernike coefficients for geometrical aberrations maintain values below 0.02{\lambda}.
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- 2023
16. A recepção dos danos existenciais no Direito brasileiro
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William Galle Dietrich and L'Inti Ali Miranda Faiad
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dano existencial ,responsabilidade civil ,direito comparado ,Law ,Civil law ,K623-968 - Abstract
O estudo investiga a compatibilidade do dano existencial com o Direito brasileiro. Delimita a abordagem em três frentes: (i) investiga o dano existencial no Direito italiano, (ii) descreve como o dano existencial foi incorporado no Direito brasileiro e, com isso, (iii) faz uma avaliação crítica da recepção deste instituto jurídico. Procura, assim, apresentar as características do dano existencial no Direito italiano e faz um escrutínio sobre a (in)adequada recepção no Direito brasileiro. A hipótese do estudo é de que a recepção dos danos existenciais, no Brasil, pode ser feita, de maneira juridicamente adequada, observando alguns parâmetros e retificações específicas. Fez-se o uso de revisão bibliográfica e análise empírica de julgamentos.
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- 2024
17. Different risk and protective factors predict change of planning ability in middle versus older age
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Josef M. Unterrainer, Julia Petersen, Peter Schmidt, Mareike Ernst, Markus A. Wirtz, Anna C. Reinwarth, Felix Wicke, Jasmin Ghaemi Kerahrodi, Matthias Michal, Thomas Münzel, Jochem König, Karl J. Lackner, Norbert Pfeiffer, Oliver Tüscher, Peter R. Galle, Manfred Beutel, and Philipp S. Wild
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Aging ,Planning ability ,Cognitive decline ,Protective factors ,Risk factors ,Prospective cohort study ,Medicine ,Science - Abstract
Abstract Age-related cognitive decline has become an increasingly relevant public health issue. However, risk and protective factors of cognitive decline have yet to be investigated prospectively taking into account genetic, lifestyle, physical and mental health factors. Population-based data from middle-aged (40 to 59 years; N = 2,764) and older individuals (60 to 80 years; N = 1,254) were drawn from a prospective community cohort study using the Tower of London (TOL) planning task. Assessments were repeated at a 5-year interval to investigate age-related changes in planning performance and to determine the impact of risk and protective factors. Planning performance improved in middle-aged, but declined in older participants over 5 years. SNPs affecting the dopamine system (COMT, DRD2) and APOE polymorphisms differentially predicted cognitive performance in older vs. middle-aged individuals. For older individuals, high alcohol consumption, antidepressant medication and living without a partner had additional negative predictive power on cognition. In contrast, undiagnosed hypertension, no obstructive lung disease, and fewer years of education predicted cognitive decline in the middle-aged group. The results inform screening for individuals particularly vulnerable to cognitive decline and interventions (e.g., focusing on lifestyle factors) to help maintain cognitive performance into old age.
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- 2024
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18. Impairment of health-related quality of life among people with type 2 diabetes and advanced liver fibrosis
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Maurice Michel, Jesús Funuyet-Salas, Michelle Doll, Saleh A. Alqahtani, Angelo Armandi, Christian Labenz, Peter R. Galle, and Jörn M. Schattenberg
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MASLD ,Advanced fibrosis ,T2DM ,Obesity ,HRQL ,Medicine ,Science - Abstract
Abstract People with type 2 diabetes mellitus (T2DM) show a high prevalence of steatotic liver disease (SLD), and especially metabolic dysfunction-associated steatotic liver disease (MASLD), with liver fibrosis. Their health-related quality of life (HRQL) is affected by multiple in part overlapping factors and aggravated by metabolic and liver-related comorbidities, including liver fibrosis stage. The aim of this study was to investigate the effect size of advanced fibrosis (AF) on the HRQL in people with T2DM. A total of 149 individuals with T2DM treated at a primary care provider within the German disease management program (DMP) were included in the final analysis. Vibration-controlled transient elastography (VCTE) was used to non-invasively detect steatosis and AF. The EQ-5D-3L questionnaire was used to assess the HRQL. Uni- and multivariable linear regression models were used to identify independent predictors of impaired HRQL. The majority was male (63.1%), and the median age was 67 years (IQR 59; 71). In the entire cohort, the prevalence of MASLD and AF was 70.7% and 19.5%, respectively. People with T2DM and AF had an overall lower HRQL in comparison to those without AF (p
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- 2024
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19. Perseverance in Motor Tasks: The Impact of Different Types of Positive Feedback
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An De Meester, Julie Galle, Bart Soenens, and Leen Haerens
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Background: It is widely recommended for teachers to provide positive feedback to foster the development and maintenance of children's motivation and perseverance. However, not all positive feedback has positive consequences and an important differentiation can be made between positive person-oriented feedback (i.e. 'you are very talented') and process-oriented feedback (i.e. 'you showed great perseverance'). Specific evidence- and theory-based recommendations regarding the impact of different types of positive feedback will benefit children's experiences in physical education and sports. Purpose: The present study addressed this topic by carrying out an experimental study on the provision of different types of positive feedback on children's perseverance following failure experience in motor tasks. Since it has been suggested that children's ability as well as their degree of insecurity or self-esteem may affect how they respond to different types of feedback, we also consider the role of individual differences between children. Specifically, it was examined whether the impact of the different types of feedback depends on children's actual and perceived motor competence and narcissism levels. Methods: A sample of 176 Flemish children (44.3% boys, 9-13 years) received either person-oriented, process-oriented or neutral positive feedback after a set of easy motor tasks in which they succeeded. Next, children engaged in motor tasks that were too difficult for their age so that they had a failure experiences after which they received negative feedback. Children's perseverance following failure was measured by monitoring at which difficulty level and how long they kept on practicing. Prior to the experiment, children's level of actual and perceived motor competence and narcissism was measured. Results: Children who received process-oriented positive feedback chose more difficult exercises than children in the neutral positive feedback condition. Children in the process-oriented feedback condition also persisted longer than children in the person-oriented positive feedback and control condition. These effects were independent of both children's level of actual and perceived motor competence and narcissism. Conclusion: This study shows that not all forms of positive feedback are equally effective to increase perseverance. The results highlight the importance of offering process-oriented rather than person-oriented positive feedback to increase children's perseverance when facing difficult tasks.
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- 2024
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20. Efficacy and safety of a conversion from the original tacrolimus and mycophenolate mofetil to the generics Tacpan® and Mowel® after liver transplantation
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Vollmar J, Bellmann MC, Darstein F, Hoppe-Lotichius M, Mittler J, Heise M, Rüttger B, Weyer V, Zimmermann A, Lang H, Galle PR, and Zimmermann T
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Therapeutics. Pharmacology ,RM1-950 - Abstract
Johanna Vollmar,1 Maren Christina Bellmann,1 Felix Darstein,1 Maria Hoppe-Lotichius,2 Jens Mittler,2 Michael Heise,2 Bernd Rüttger,3 Veronika Weyer,4 Anca Zimmermann,5 Hauke Lang,2 Peter R Galle,1 Tim Zimmermann1 1First Department of Internal Medicine, Gastroenterology and Hepatology, Johannes Gutenberg University, Mainz, Germany; 2Department of Hepatobiliary and Transplantation Surgery, Johannes Gutenberg University, Mainz, Germany; 3Panacea Biotec Germany GmbH, Munich, Germany; 4Institute for Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center, Johannes Gutenberg University, Mainz, Germany; 5First Department of Internal Medicine, Endocrinology and Metabolic Diseases, Johannes Gutenberg University, Mainz, Germany Background: Expensive pharmaceuticals are a major reason for cost intensive health care systems. Long-term immunosuppressive therapy plays a relevant role after organ transplantation. Patents of original drugs have expired and cheaper products are available. Little data are available regarding efficacy and safety of generic immunosuppressive agents.Methods: In this prospective study, 25 patients, who were clinically stable for a minimum of 2 years after liver transplantation, were converted from the original formulations of tacrolimus (TAC) and mycophenolate mofetil to the generics Tacpan® (TAP) and Mowel® (MOW). Patients were followed-up for 6 months. Results were compared retrospectively to 25 age- and sex-matched controls treated with the original brands.Results: In the matched-pair analysis of TAC trough level/dose ratio, no significant difference was found between TAP/MOW and TAC/mycophenolate mofetil groups. No acute rejection occurred in either group. In total, 17 patients reported mild side effects in the TAP/MOW group. The most common side effects were gastrointestinal symptoms. Intra-individual analysis of costs revealed a considerable cost reduction in the TAP/MOW group (in median 25.03%; P
- Published
- 2015
21. Attention-Deficit Hyperactivity Disorder (ADHD) Medication Use Trajectories Among Women in the Perinatal Period
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Bang Madsen, Kathrine, Bliddal, Mette, Skoglund, Charlotte Borg, Larsson, Henrik, Munk-Olsen, Trine, Madsen, Malene Galle, Hove Thomsen, Per, Bergink, Veerle, Srinivas, Chaitra, Cohen, Jacqueline M., Brikell, Isabell, and Liu, Xiaoqin
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- 2024
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22. Star-Image Centering with Deep Learning: HST/WFPC2 Images
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Casetti-Dinescu, Dana I., Girard, Terrence M., Baena-Galle, Roberto, Martone, Max, and Schwendemann, Kate
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Astrophysics - Instrumentation and Methods for Astrophysics - Abstract
A Deep Learning (DL) algorithm is built and tested for its ability to determine centers of star images on HST/WFPC2 exposures, in filters F555W and F814W. These archival observations hold great potential for proper-motion studies, but the undersampling in the camera's detectors presents challenges for conventional centering algorithms. Two exquisite data sets of over 600 exposures of the cluster NGC 104 in these filters are used as a testbed for training and evaluation of the DL code. Results indicate a single-measurement standard error of from 8.5 to 11 mpix, depending on detector and filter.This compares favorably to the $\sim20$ mpix achieved with the customary ``effective PSF'' centering procedure for WFPC2 images. Importantly, pixel-phase error is largely eliminated when using the DL method. The current tests are limited to the central portion of each detector; in future studies the DL code will be modified to allow for the known variation of the PSF across the detectors., Comment: accepted for publication by PASP
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- 2023
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23. Amount of ascites impacts survival in patients with hepatocellular carcinoma undergoing transarterial chemoembolization advocating for volumetric assessment
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Lukas Müller, Daniel Bender, Simon J. Gairing, Friedrich Foerster, Arndt Weinmann, Jens Mittler, Fabian Stoehr, Moritz C. Halfmann, Aline Mähringer-Kunz, Peter R. Galle, Roman Kloeckner, and Felix Hahn
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Hepatocellular carcinoma ,Prognosis ,Therapeutic chemoembolization ,Portal hypertension ,Ascites ,Medicine ,Science - Abstract
Abstract Preliminary work has shown that portal hypertension plays a key role for the prognosis in patients with hepatocellular carcinoma (HCC) undergoing transarterial chemoembolization (TACE). Specifically, the presence of ascites appears to be a strong negative predictor for these patients. However, it remains unclear whether different ascites volumes influence prognosis. Therefore, the aim of this work was to investigate the influence of different ascites volumes on survival for patients with HCC undergoing TACE. A total of 327 treatment-naïve patients with HCC undergoing initial TACE at our tertiary care center between 2010 and 2020 were included. In patients with ascites, the fluid was segmented, and the volume quantified by slice-wise addition using contrast-enhanced CT imaging. Median overall survival (OS) was calculated and univariate and multivariate Cox regression analysis has been performed. Ascites was present in 102 (31.9%) patients. Ascites volume as continuous variable was significantly associated with an increased hazard ratio in univariate analysis (p
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- 2024
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24. BigScience: A Case Study in the Social Construction of a Multilingual Large Language Model
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Akiki, Christopher, Pistilli, Giada, Mieskes, Margot, Gallé, Matthias, Wolf, Thomas, Ilić, Suzana, and Jernite, Yacine
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Computer Science - Computers and Society - Abstract
The BigScience Workshop was a value-driven initiative that spanned one and half years of interdisciplinary research and culminated in the creation of ROOTS, a 1.6TB multilingual dataset that was used to train BLOOM, one of the largest multilingual language models to date. In addition to the technical outcomes and artifacts, the workshop fostered multidisciplinary collaborations around large models, datasets, and their analysis. This in turn led to a wide range of research publications spanning topics from ethics to law, data governance, modeling choices and distributed training. This paper focuses on the collaborative research aspects of BigScience and takes a step back to look at the challenges of large-scale participatory research, with respect to participant diversity and the tasks required to successfully carry out such a project. Our main goal is to share the lessons we learned from this experience, what we could have done better and what we did well. We show how the impact of such a social approach to scientific research goes well beyond the technical artifacts that were the basis of its inception., Comment: Presented at the 2022 NeurIPS Workshop on Broadening Research Collaborations in ML
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- 2022
25. Inflammation in liver fibrosis and atrial fibrillation: A prospective population-based proteomic study
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Joost Boeckmans, Maurice Michel, Alexander Gieswinkel, Oliver Tüscher, Stavros V. Konstantinides, Jochem König, Thomas Münzel, Karl J. Lackner, Jasmin Ghaemi Kerahrodi, Alexander K. Schuster, Philipp S. Wild, Peter R. Galle, and Jörn M. Schattenberg
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Atrial fibrillation ,C-X-C motif chemokine ligand 10 (CXCL10) ,Fibrosis-4 index (FIB-4 index) ,Metabolic dysfunction-associated steatotic liver disease (MASLD) ,Non-invasive test ,Proteomics ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Abstract
Background & Aims: Elevated liver stiffness has been associated with atrial fibrillation (AFib) in the general population. The mechanism underlying this association is unclear. Methods: Participants were recruited from the general population and prospectively enrolled with follow-up for 5 years. The fibrosis-4 (FIB-4) index was used as a surrogate marker for liver fibrosis. Proteomics analysis was performed using the 92-target Olink inflammation panel. Validation was performed using the NAFLD fibrosis score (NFS), aspartate aminotransferase to platelet index (APRI), and repeat confirmation proteomics. Results: A sample of 11,509 participants with a mean age of 54.0 ± 11.1 years, 51.3% women, and a median FIB-4 index of 0.85 (0.65/1.12), was used. The FIB-4 index was predictive for prevalent (FIB-4 index adjusted odds ratio (aOR) per SD: 1.100 with 95% CI 1.011-1.196; p = 0.026), but not incident AFib (log[FIB-4 index]) adjusted hazard ratio: 1.125 with 95% CI 0.943-1.342, p = 0.19). Elastic net regularized regression identified CCL20, DNER, and CXCL10 for prevalent AFib, and AXIN1, CXCL10, and Flt3L for the log(FIB-4 index) (per SD) as most important in common regulated proteins. The relationship between the FIB-4 index, the identified proteins, and AFib was relevant and reproduced at the 5-year follow-up for CXCL10 after adjusting for confounders (log[FIB-4 index] per SD - CXCL10 [per SD] adjusted β 0.160 with 95% CI 0.127-0.194, p
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- 2024
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26. Galaxy and Mass Assembly (GAMA): Extended Intra-Group Light in a group at $z=0.2$ from deep Hyper-Suprime Cam images
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Martinez-Lombilla, Cristina, Brough, Sarah, Montes, Mireia, Baena-Galle, Roberto, Akhlaghi, Mohammad, Infante-Sainz, Raul, Driver, Simon P., Holwerda, Benne W., Pimbblet, Kevin A., and Robotham, Aaron S. G.
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Astrophysics - Astrophysics of Galaxies - Abstract
We present a pilot study to assess the potential of Hyper Suprime-Cam Public Data Release 2 (HSC-PDR2) images for the analysis of extended faint structures within groups of galaxies. We examine the intra-group light (IGL) of the group 400138 ($M_{\rm{dyn}}= 1.3 \pm 0.5 \times 10^{13} $M$_{\odot}$, $z\sim 0.2$) from the Galaxy And Mass Assembly (GAMA) survey using Hyper-Suprime Cam Subaru Strategic Program Public Data Release 2 (HSC-PDR2) images in $g$, $r$, and $i$ bands. We present the most extended IGL measurement to date, reaching down to $\mu_{g}^{\rm{lim}}=30.76$ mag arcsec$^{-2}$ ($3 \sigma$; $10 \times 10$ arcsec$^{2}$) at a semi-major axis of 275 kpc. The IGL shows mean colour values of $g-i=0.92$, $g-r=0.60$, and $r-i=0.32$ ($\pm$0.01). The IGL stellar populations are younger ($2-2.5$ Gyr) and less metal-rich ([Fe/H] $ \sim -$0.4) than those of the host group galaxies. We find a range of IGL fractions as a function of total group luminosity of $\sim 2-36 \%$ depending on the definition of IGL, with larger fractions the bluer the observation wavelength. The early-type to late-type galaxy ratio suggests that 400138 is a more evolved group, dominated by ETGs, and the IGL fraction agrees with that of other similarly evolved groups. These results are consistent with tidal stripping of the outer parts of Milky Way-like galaxies as the main driver of the IGL build-up. This is supported by the detection of substructure in the IGL towards the galaxy member 1660615 suggesting a recent interaction ($<1$ Gyr ago) of that galaxy with the core of the group., Comment: 19 pages, 8 figures, 2 tables, accepted for publication in MNRAS
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- 2022
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27. BLOOM: A 176B-Parameter Open-Access Multilingual Language Model
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Workshop, BigScience, Scao, Teven Le, Fan, Angela, Akiki, Christopher, Pavlick, Ellie, Ilić, Suzana, Hesslow, Daniel, Castagné, Roman, Luccioni, Alexandra Sasha, Yvon, François, Gallé, Matthias, Tow, Jonathan, Rush, Alexander M., Biderman, Stella, Webson, Albert, Ammanamanchi, Pawan Sasanka, Wang, Thomas, Sagot, Benoît, Muennighoff, Niklas, del Moral, Albert Villanova, Ruwase, Olatunji, Bawden, Rachel, Bekman, Stas, McMillan-Major, Angelina, Beltagy, Iz, Nguyen, Huu, Saulnier, Lucile, Tan, Samson, Suarez, Pedro Ortiz, Sanh, Victor, Laurençon, Hugo, Jernite, Yacine, Launay, Julien, Mitchell, Margaret, Raffel, Colin, Gokaslan, Aaron, Simhi, Adi, Soroa, Aitor, Aji, Alham Fikri, Alfassy, Amit, Rogers, Anna, Nitzav, Ariel Kreisberg, Xu, Canwen, Mou, Chenghao, Emezue, Chris, Klamm, Christopher, Leong, Colin, van Strien, Daniel, Adelani, David Ifeoluwa, Radev, Dragomir, Ponferrada, Eduardo González, Levkovizh, Efrat, Kim, Ethan, Natan, Eyal Bar, De Toni, Francesco, Dupont, Gérard, Kruszewski, Germán, Pistilli, Giada, Elsahar, Hady, Benyamina, Hamza, Tran, Hieu, Yu, Ian, Abdulmumin, Idris, Johnson, Isaac, Gonzalez-Dios, Itziar, de la Rosa, Javier, Chim, Jenny, Dodge, Jesse, Zhu, Jian, Chang, Jonathan, Frohberg, Jörg, Tobing, Joseph, Bhattacharjee, Joydeep, Almubarak, Khalid, Chen, Kimbo, Lo, Kyle, Von Werra, Leandro, Weber, Leon, Phan, Long, allal, Loubna Ben, Tanguy, Ludovic, Dey, Manan, Muñoz, Manuel Romero, Masoud, Maraim, Grandury, María, Šaško, Mario, Huang, Max, Coavoux, Maximin, Singh, Mayank, Jiang, Mike Tian-Jian, Vu, Minh Chien, Jauhar, Mohammad A., Ghaleb, Mustafa, Subramani, Nishant, Kassner, Nora, Khamis, Nurulaqilla, Nguyen, Olivier, Espejel, Omar, de Gibert, Ona, Villegas, Paulo, Henderson, Peter, Colombo, Pierre, Amuok, Priscilla, Lhoest, Quentin, Harliman, Rheza, Bommasani, Rishi, López, Roberto Luis, Ribeiro, Rui, Osei, Salomey, Pyysalo, Sampo, Nagel, Sebastian, Bose, Shamik, Muhammad, Shamsuddeen Hassan, Sharma, Shanya, Longpre, Shayne, Nikpoor, Somaieh, Silberberg, Stanislav, Pai, Suhas, Zink, Sydney, Torrent, Tiago Timponi, Schick, Timo, Thrush, Tristan, Danchev, Valentin, Nikoulina, Vassilina, Laippala, Veronika, Lepercq, Violette, Prabhu, Vrinda, Alyafeai, Zaid, Talat, Zeerak, Raja, Arun, Heinzerling, Benjamin, Si, Chenglei, Taşar, Davut Emre, Salesky, Elizabeth, Mielke, Sabrina J., Lee, Wilson Y., Sharma, Abheesht, Santilli, Andrea, Chaffin, Antoine, Stiegler, Arnaud, Datta, Debajyoti, Szczechla, Eliza, Chhablani, Gunjan, Wang, Han, Pandey, Harshit, Strobelt, Hendrik, Fries, Jason Alan, Rozen, Jos, Gao, Leo, Sutawika, Lintang, Bari, M Saiful, Al-shaibani, Maged S., Manica, Matteo, Nayak, Nihal, Teehan, Ryan, Albanie, Samuel, Shen, Sheng, Ben-David, Srulik, Bach, Stephen H., Kim, Taewoon, Bers, Tali, Fevry, Thibault, Neeraj, Trishala, Thakker, Urmish, Raunak, Vikas, Tang, Xiangru, Yong, Zheng-Xin, Sun, Zhiqing, Brody, Shaked, Uri, Yallow, Tojarieh, Hadar, Roberts, Adam, Chung, Hyung Won, Tae, Jaesung, Phang, Jason, Press, Ofir, Li, Conglong, Narayanan, Deepak, Bourfoune, Hatim, Casper, Jared, Rasley, Jeff, Ryabinin, Max, Mishra, Mayank, Zhang, Minjia, Shoeybi, Mohammad, Peyrounette, Myriam, Patry, Nicolas, Tazi, Nouamane, Sanseviero, Omar, von Platen, Patrick, Cornette, Pierre, Lavallée, Pierre François, Lacroix, Rémi, Rajbhandari, Samyam, Gandhi, Sanchit, Smith, Shaden, Requena, Stéphane, Patil, Suraj, Dettmers, Tim, Baruwa, Ahmed, Singh, Amanpreet, Cheveleva, Anastasia, Ligozat, Anne-Laure, Subramonian, Arjun, Névéol, Aurélie, Lovering, Charles, Garrette, Dan, Tunuguntla, Deepak, Reiter, Ehud, Taktasheva, Ekaterina, Voloshina, Ekaterina, Bogdanov, Eli, Winata, Genta Indra, Schoelkopf, Hailey, Kalo, Jan-Christoph, Novikova, Jekaterina, Forde, Jessica Zosa, Clive, Jordan, Kasai, Jungo, Kawamura, Ken, Hazan, Liam, Carpuat, Marine, Clinciu, Miruna, Kim, Najoung, Cheng, Newton, Serikov, Oleg, Antverg, Omer, van der Wal, Oskar, Zhang, Rui, Zhang, Ruochen, Gehrmann, Sebastian, Mirkin, Shachar, Pais, Shani, Shavrina, Tatiana, Scialom, Thomas, Yun, Tian, Limisiewicz, Tomasz, Rieser, Verena, Protasov, Vitaly, Mikhailov, Vladislav, Pruksachatkun, Yada, Belinkov, Yonatan, Bamberger, Zachary, Kasner, Zdeněk, Rueda, Alice, Pestana, Amanda, Feizpour, Amir, Khan, Ammar, Faranak, Amy, Santos, Ana, Hevia, Anthony, Unldreaj, Antigona, Aghagol, Arash, Abdollahi, Arezoo, Tammour, Aycha, HajiHosseini, Azadeh, Behroozi, Bahareh, Ajibade, Benjamin, Saxena, Bharat, Ferrandis, Carlos Muñoz, McDuff, Daniel, Contractor, Danish, Lansky, David, David, Davis, Kiela, Douwe, Nguyen, Duong A., Tan, Edward, Baylor, Emi, Ozoani, Ezinwanne, Mirza, Fatima, Ononiwu, Frankline, Rezanejad, Habib, Jones, Hessie, Bhattacharya, Indrani, Solaiman, Irene, Sedenko, Irina, Nejadgholi, Isar, Passmore, Jesse, Seltzer, Josh, Sanz, Julio Bonis, Dutra, Livia, Samagaio, Mairon, Elbadri, Maraim, Mieskes, Margot, Gerchick, Marissa, Akinlolu, Martha, McKenna, Michael, Qiu, Mike, Ghauri, Muhammed, Burynok, Mykola, Abrar, Nafis, Rajani, Nazneen, Elkott, Nour, Fahmy, Nour, Samuel, Olanrewaju, An, Ran, Kromann, Rasmus, Hao, Ryan, Alizadeh, Samira, Shubber, Sarmad, Wang, Silas, Roy, Sourav, Viguier, Sylvain, Le, Thanh, Oyebade, Tobi, Le, Trieu, Yang, Yoyo, Nguyen, Zach, Kashyap, Abhinav Ramesh, Palasciano, Alfredo, Callahan, Alison, Shukla, Anima, Miranda-Escalada, Antonio, Singh, Ayush, Beilharz, Benjamin, Wang, Bo, Brito, Caio, Zhou, Chenxi, Jain, Chirag, Xu, Chuxin, Fourrier, Clémentine, Periñán, Daniel León, Molano, Daniel, Yu, Dian, Manjavacas, Enrique, Barth, Fabio, Fuhrimann, Florian, Altay, Gabriel, Bayrak, Giyaseddin, Burns, Gully, Vrabec, Helena U., Bello, Imane, Dash, Ishani, Kang, Jihyun, Giorgi, John, Golde, Jonas, Posada, Jose David, Sivaraman, Karthik Rangasai, Bulchandani, Lokesh, Liu, Lu, Shinzato, Luisa, de Bykhovetz, Madeleine Hahn, Takeuchi, Maiko, Pàmies, Marc, Castillo, Maria A, Nezhurina, Marianna, Sänger, Mario, Samwald, Matthias, Cullan, Michael, Weinberg, Michael, De Wolf, Michiel, Mihaljcic, Mina, Liu, Minna, Freidank, Moritz, Kang, Myungsun, Seelam, Natasha, Dahlberg, Nathan, Broad, Nicholas Michio, Muellner, Nikolaus, Fung, Pascale, Haller, Patrick, Chandrasekhar, Ramya, Eisenberg, Renata, Martin, Robert, Canalli, Rodrigo, Su, Rosaline, Su, Ruisi, Cahyawijaya, Samuel, Garda, Samuele, Deshmukh, Shlok S, Mishra, Shubhanshu, Kiblawi, Sid, Ott, Simon, Sang-aroonsiri, Sinee, Kumar, Srishti, Schweter, Stefan, Bharati, Sushil, Laud, Tanmay, Gigant, Théo, Kainuma, Tomoya, Kusa, Wojciech, Labrak, Yanis, Bajaj, Yash Shailesh, Venkatraman, Yash, Xu, Yifan, Xu, Yingxin, Xu, Yu, Tan, Zhe, Xie, Zhongli, Ye, Zifan, Bras, Mathilde, Belkada, Younes, and Wolf, Thomas
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Computer Science - Computation and Language - Abstract
Large language models (LLMs) have been shown to be able to perform new tasks based on a few demonstrations or natural language instructions. While these capabilities have led to widespread adoption, most LLMs are developed by resource-rich organizations and are frequently kept from the public. As a step towards democratizing this powerful technology, we present BLOOM, a 176B-parameter open-access language model designed and built thanks to a collaboration of hundreds of researchers. BLOOM is a decoder-only Transformer language model that was trained on the ROOTS corpus, a dataset comprising hundreds of sources in 46 natural and 13 programming languages (59 in total). We find that BLOOM achieves competitive performance on a wide variety of benchmarks, with stronger results after undergoing multitask prompted finetuning. To facilitate future research and applications using LLMs, we publicly release our models and code under the Responsible AI License.
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- 2022
28. Reflexões de professores participantes de um espaço formativo: a pesquisa como modo de aprender e ensinar
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Lorita Aparecida Veloso Galle and Lourdes Aparecida Della Justina
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formação de professores ,pesquisa em sala de aula ,unidade de aprendizagem ,Mathematics ,QA1-939 ,Education - Abstract
No presente estudo, buscou-se responder a pergunta: como a participação de professores em um espaço formativo que proporciona aprimoramento didático/metodológico pode ampliar suas concepções da pesquisa como princípio educativo? Trata-se de uma investigação com abordagem qualitativa do tipo exploratória. Os participantes foram 10 professores de um curso de formação continuada, e as informações foram produzidas a partir de um questionário on-line, sendo analisadas por meio da Análise Textual Discursiva. Da análise das informações, emergiram três categorias: (i) ampliação da compreensão sobre a pesquisa; (ii) valorização das perguntas dos estudantes na sala de aula, (iii) mobilização do envolvimento de estudantes no processo de investigação no contexto de sala de aula. Há indicativos da potencialidade de formações que, de modo teórico e prático, abordem a pesquisa como princípio educativo e como forma de possibilitar a reflexão do professor acerca da pesquisa enquanto modo amplo de ensinar e aprender.
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- 2024
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29. Effect of male partners' involvement and support on reproductive, maternal and child health and well‐being in East Africa: A scoping review
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Richard Fletcher, Faye Forbes, Abel Fekadu Dadi, Getachew Mullu Kassa, Casey Regan, Anna Galle, Addisu Beyene, Rebecca Liackman, and Marleen Temmerman
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child health ,East Africa ,male partner involvement ,maternal health ,reproductive health care ,Medicine - Abstract
Abstract Background and Aims East African countries have high rates of maternal and child mortality and morbidity. Studies have shown that the involvement of male partners in reproductive health can benefit maternal and child health (MCH). This scoping review aims to provide an overview of the evidence across East Africa that describes male partner involvement and its effect on maternal, reproductive, and child well‐being. Methods Ten databases were searched to identify quantitative data on male's involvement in East Africa. Studies reporting qualitative data, “intention to use” data or only reporting on male partner's education or economic status were excluded. Studies were organized into five a priori categories: antenatal care (ANC), human immunodeficiency virus, breastfeeding, family planning, and intimate partner violence with further categories developed based on studies included. Results A total of 2787 records were identified; 644 full texts were reviewed, and 96 studies were included in this review. Data were reported on 118,967 mothers/pregnant women and 15,361 male partners. Most of the studies (n = 83) were reported from four countries Ethiopia (n = 49), Kenya (n = 14), Tanzania (n = 12) and Uganda (n = 10). The evidence indicates that male partner involvement and support is associated with improved reproductive, MCH across a wide range of outcomes. However, the studies were heterogeneous, using diverse exposure and outcome measures. Also, male partners' lack of practical and emotional support, and engagement in violent behaviors towards partners, were associated with profound negative impacts on MCH and well‐being. Conclusions The body of evidence, although heterogeneous, provides compelling support for male involvement in reproductive health programs designed to support MCH. To advance research in this field, an agreement is needed on a measure of male partner “involvement.” To optimize benefits of male partners' involvement, developing core outcome sets and regional coordination are recommended.
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- 2024
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30. An inclusive Research and Education Community (iREC) model to facilitate undergraduate science education reform
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Denise L. Monti, Julia C. Gill, Tamarah L. Adair, Sandra D. Adams, Yesmi Patricia Ahumada-Santos, Isabel Amaya, Kirk Anders, Justin R. Anderson, Mauricio S. Antunes, Mary Ayuk, Frederick Baliraine, Tonya C. Bates, Andrea R. Beyer, Suparna Bhalla, Tejas Bouklas, Sharon K. Bullock, Kristen A. Butela, Christine Byrum, Steven M. Caruso, Rebecca Chong, Hui-Min Chung, Stephanie B. Conant, Brett Condon, Katie E. Crump, Tom D'Elia, Megan K. Dennis, Linda C. DeVeaux, Lautaro Diacovich, Arturo Diaz, Iain Duffy, Dustin Edwards, Patricia C. Fallest-Strobl, Ann Findley, Matthew R. Fisher, Marie P. Fogarty, Victoria Jane Frost, Maria D. Gainey, Courtney S. Galle, Bryan Gibb, Urszula Golebiewska, Hugo Gramajo, Anna S. Grinath, Jennifer Guerrero, Nancy Guild, Kathryn E. Gunn, Susan Gurney, Lee E. Hughes, Pradeepa Jayachandran, Kristen Johnson, Allison Johnson, Alison E. Kanak, Michelle L. Kanther, Rodney A. King, Kathryn Kohl, Julia Lee-Soety, Lynn O. Lewis, Heather Lindberg, Jaclyn A. Madden, Breonna J. Martin, Matthew D. Mastropaolo, Sean McClory, Evan C. Merkhofer, Julie A. Merkle, Jon Mitchell, María Alejandra Mussi, Fernando Nieto, Jillian Nissen, Imade Yolanda Nsa, Mary G. O'Donnell, R. Deborah Overath, Shallee T. Page, Andrea Panagakis, Jesús Ricardo Parra Unda, Michelle B. Pass, Tiara Perez Morales, Nick T. Peters, Ruth Plymale, Richard Pollenz, Nathan S. Reyna, Claire A. Rinehart, Jessica Rocheleau, John S. Rombold, Ombeline Rossier, Adam D. Rudner, Elizabeth E. Rueschhoff, Christopher D. Shaffer, Mary Ann V. Smith, Amy B. Sprenkle, C. Nicole Sunnen, Michael A. Thomas, Michelle M. Tigges, Deborah Tobiason, Sara Sybesma Tolsma, Julie Torruellas Garcia, Peter Uetz, Edwin Vazquez, Catherine M. Ward, Vassie C. Ware, Jacqueline M. Washington, Matthew J. Waterman, Daniel E. Westholm, Keith A. Wheaton, Simon J. White, Elizabeth C. Williams, Daniel C. Williams, Ellen M. Wisner, William H. Biederman, Steven G. Cresawn, Danielle M. Heller, Deborah Jacobs-Sera, Daniel A. Russell, Graham F. Hatfull, David J. Asai, David I. Hanauer, Mark J. Graham, and Viknesh Sivanathan
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Science Education Alliance ,inclusive Research and Education Community ,pathway modeling ,course-based research experience ,STEM faculty development ,Education (General) ,L7-991 - Abstract
Over the last two decades, there have been numerous initiatives to improve undergraduate student outcomes in STEM. One model for scalable reform is the inclusive Research Education Community (iREC). In an iREC, STEM faculty from colleges and universities across the nation are supported to adopt and sustainably implement course-based research – a form of science pedagogy that enhances student learning and persistence in science. In this study, we used pathway modeling to develop a qualitative description that explicates the HHMI Science Education Alliance (SEA) iREC as a model for facilitating the successful adoption and continued advancement of new curricular content and pedagogy. In particular, outcomes that faculty realize through their participation in the SEA iREC were identified, organized by time, and functionally linked. The resulting pathway model was then revised and refined based on several rounds of feedback from over 100 faculty members in the SEA iREC who participated in the study. Our results show that in an iREC, STEM faculty organized as a long-standing community of practice leverage one another, outside expertise, and data to adopt, implement, and iteratively advance their pedagogy. The opportunity to collaborate in this manner and, additionally, to be recognized for pedagogical contributions sustainably engages STEM faculty in the advancement of their pedagogy. Here, we present a detailed pathway model of SEA that, together with underpinning features of an iREC identified in this study, offers a framework to facilitate transformations in undergraduate science education.
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- 2024
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31. Proton pump inhibitor use and risk of hepatic encephalopathy: A multicentre study
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Simon Johannes Gairing, Chiara Mangini, Lisa Zarantonello, Elise Jonasson, Henrike Dobbermann, Philippe Sultanik, Peter Robert Galle, Joachim Labenz, Dominique Thabut, Jens Uwe Marquardt, Patricia P. Bloom, Mette Munk Lauridsen, Sara Montagnese, and Christian Labenz
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Covert hepatic encephalopathy ,Decompensated cirrhosis ,Psychometric hepatic encephalopathy score ,Acid suppression ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Abstract
Background & Aims: Data on the association between proton pump inhibitor (PPI) use and hepatic encephalopathy (HE) are conflicting, and data from multicentre studies are scarce. The aim of this study was to dissect the potential association between PPI use and minimal (MHE) and overt HE (OHE). Methods: Data from patients with cirrhosis recruited at seven centres across Europe and the US were analysed. MHE was defined by the psychometric hepatic encephalopathy score (PHES). PPI use was recorded on the day of testing with PHES. Patients were followed for OHE development and death/liver transplantation. Results: A total of 1,160 patients with a median MELD of 11 were included (Child-Pugh stages: A 49%/B 39%/C 11%). PPI use was noted in 58% of patients. Median follow-up time was 18.1 months, during which 230 (20%) developed an OHE episode, and 224 (19%) reached the composite endpoint of death/liver transplantation. In multivariable analyses, PPI use was neither associated with the presence of MHE at baseline nor OHE development during follow-up. These findings were consistent in subgroup analyses of patients with Child-Pugh A or B cirrhosis and after excluding patients with a history of OHE. PPI use was also not associated with a higher risk of OHE, neither in patients with an indication for treatment nor in patients without an indication. Conclusions: PPI use is not associated with a higher risk of HE in patients with cirrhosis. Based on these findings, at present, a prescription should not be prohibited in case of a generally accepted indication. Impact and implications: Data on the association between proton pump inhibitor (PPI) use and hepatic encephalopathy (HE) are conflicting. In this study, PPI use was not associated with a higher risk of minimal HE at baseline or overt HE during follow-up in patients with cirrhosis. Based on these findings, prescription of a PPI for a generally accepted indication should not be prohibited in patients with cirrhosis.
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- 2024
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32. Rare HCV subtypes and retreatment outcomes in a cohort of European DAA-experienced patients
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Julia Dietz, Christiana Graf, Christoph P. Berg, Kerstin Port, Katja Deterding, Peter Buggisch, Kai-Henrik Peiffer, Johannes Vermehren, Georg Dultz, Andreas Geier, Florian P. Reiter, Tony Bruns, Jörn M. Schattenberg, Elena Durmashkina, Thierry Gustot, Christophe Moreno, Janina Trauth, Thomas Discher, Janett Fischer, Thomas Berg, Andreas E. Kremer, Beat Müllhaupt, Stefan Zeuzem, Christoph Sarrazin, C. Antoni, A. Teufel, R. Vogelmann, M. Ebert, J. Balavoine, E. Giostra, M. Berning, J. Hampe, T. Boettler, C. Neumann-Haefelin, R. Thimme, A. De Gottardi, A. Rauch, N. Semmo, V. Ellenrieder, M. Gress, A. Herrmann, A. Stallmach, D. Hoffmann, U. Protzer, A. Kodal, M. Löbermann, T. Götze, V. Keitel-Anselmino, C.M. Lange, R. Zachoval, J. Mayerle, A. Maieron, P. Michl, U. Merle, D. Moradpour, J.-P. Chave, M. Muche, H.-J. Epple, M. Müller-Schilling, F. Kocheise, T. Müller, F. Tacke, E. Roeb, J. Rissland, M. Krawczyk, P. Schulze, D. Semela, U. Spengler, J. Rockstroh, C.P. Strassburg, J. Siebler, J. Schulze zur Wiesch, F. Piecha, J. von Felden, S. Jordan, A. Lohse, M. Sprinzl, P. Galle, R. Stauber, B. Strey, W. Steckstor, W. Schmiegel, N.H. Brockmeyer, A. Canbay, C. Trautwein, F. Uschner, J. Trebicka, T. Weber, H. Wedemeyer, M. Cornberg, M. Manns, P. Wietzke-Braun, R. Günther, K. Willuweit, G. Hilgard, H. Schmidt, E. Zizer, J. Backhus, T. Seufferlein, O. Al-Taie, W. Angeli, S. Beckebaum, A. Erhardt, A. Garrido-Lüneburg, H. Gattringer, D. Genné, M. Gschwantler, F. Gundling, S. Hametner, R. Schöfl, S. Haag, H. Heinzow, T. Heyer, C. Hirschi, A. Jussios, S. Kanzler, N. Kordecki, M. Kraus, U. Kullig, S. Wollschläger, L. Magenta, B. Terziroli Beretta-Piccoli, M. Menges, L. Mohr, K. Muehlenberg, C. Niederau, B. Paulweber, A. Petrides, M. Pinkernell, R. Piso, W. Rambach, L. Reinhardt, M. Reiser, B. Riecken, A. Rieke, J. Roth, M. Schelling, P. Schlee, A. Schneider, D. Scholz, E. Schott, M. Schuchmann, U. Schulten-Baumer, A. Seelhoff, A. Stich, F. Stickel, J. Ungemach, E. Walter, A. Weber, H. Wege, T. Winzer, W. Abels, M. Adler, F. Audebert, C. Baermann, E. Bästlein, R. Barth, K. Barthel, W. Becker, J. Behrends, J. Benninger, F. Berger, D. Berzow, T. Beyer, M. Bierbaum, O. Blaukat, A. Bodtländer, G. Böhm, N. Börner, U. Bohr, B. Bokemeyer, H.R. Bruch, D. Bucholz, P. Buggisch, K. Matschenz, J. Petersen, O. Burkhard, N. Busch, C. Chirca, R. Delker, J. Diedrich, M. Frank, M. Diehl, A.O. Tal, M. Schneider, A. Dienethal, P. Dietel, N. Dikopoulos, M. Dreck, F. Dreher, L. Drude, K. Ende, U. Ehrle, K. Baumgartl, F. Emke, R. Glosemeyer, G. Felten, D. Hüppe, J. Fischer, U. Fischer, D. Frederking, B. Frick, G. Friese, B. Gantke, P. Geyer, H.R. Schwind, M. Glas, T. Glaunsinger, F. Goebel, U. Göbel, B. Görlitz, R. Graf, H. Gruber, C. Hartmann, C. Klag, G. Härter, M. Herder, T. Heuchel, S. Heuer, H. Hinrichsen, B. Seegers, K.-H. Höffl, H. Hörster, J.-U. Sonne, W.P. Hofmann, F. Holst, M. Hunstiger, A. Hurst, E. Jägel-Guedes, C. John, M. Jung, B. Kallinowski, B. Kapzan, W. Kerzel, P. Khaykin, M. Klarhof, U. Klüppelberg, Wolfratshausen, K. Klugewitz, B. Knapp, U. Knevels, T. Kochsiek, A. Körfer, A. Köster, M. Kuhn, A. Langekamp, B. Künzig, R. Link, M. Littman, H. Löhr, T. Lutz, P. Gute, G. Knecht, U. Lutz, D. Mainz, I. Mahle, P. Maurer, S. Mauss, C. Mayer, H. Möller, R. Heyne, D. Moritzen, M. Mroß, M. Mundlos, U. Naumann, O. Nehls, K, R. Ningel, A. Oelmann, H. Olejnik, K. Gadow, E. Pascher, A. Philipp, M. Pichler, F. Polzien, R. Raddant, M. Riedel, S. Rietzler, M. Rössle, W. Rufle, A. Rump, C. Schewe, C. Hoffmann, D. Schleehauf, W. Schmidt, G. Schmidt-Heinevetter, J. Schmidtler-von Fabris, L. Schneider, A. Schober, S. Niehaus-Hahn, J. Schwenzer, T. Seidel, G. Seitel, C. Sick, K. Simon, D. Stähler, F. Stenschke, H. Steffens, K. Stein, M. Steinmüller, T. Sternfeld, K. Svensson, W. Tacke, G. Teuber, K. Teubner, J. Thieringer, A. Tomesch, U. Trappe, J. Ullrich, G. Urban, S. Usadel, A. von Lucadou, F. Weinberger, M. Werheid-Dobers, P. Werner, T. Winter, E. Zehnter, and A. Zipf
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Direct-acting antivirals ,Hepatitis C Virus ,rare HCV genotypes ,resistance-associated substitutions ,treatment response ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Abstract
Background and Aims: Data on the prevalence and characteristics of so-called rare HCV genotypes (GTs) in larger cohorts is limited. This study investigates the frequency of rare GT and resistance-associated substitutions and the efficacy of retreatment in a European cohort. Methods: A total of 129 patients with rare GT1-6 were included from the European resistance database. NS3, NS5A, and NS5B were sequenced and clinical parameters and retreatment efficacies were collected retrospectively. Results: Overall 1.5% (69/4,656) of direct-acting antiviral (DAA)-naive and 4.4% (60/1,376) of DAA-failure patients were infected with rare GT. Although rare GTs were almost equally distributed throughout GT1-6 in DAA-naive patients, we detected mainly rare GT4 (47%, 28/60 GT4; of these n = 17, subtype 4r) and GT3 (25%, 15/60 GT3, of these n = 8, subtype 3b) among DAA-failures. A total of 62% (37/60) of DAA failures had not responded to first-generation regimes and the majority was infected with rare GT4 (57%, 21/37). In contrast, among patients with failure to pangenotypic DAA regimens (38%, 23/60), infections with rare GT3 were overrepresented (57%, 13/23). Although NS5A RASs were uncommon in rare GT2, GT5a, and GT6, we observed combined RASs in rare GT1, GT3, and GT4 at positions 28, 30, 31, which can be considered as inherent. DAA failures with completed follow-up of retreatment, achieved a high SVR rate (94%, 45/48 modified intention-to-treat analysis; 92%, 45/49 intention-to-treat). Three patients with GT4f, 4r, or 3b, respectively, had virological treatment failure. Conclusions: In this European cohort, rare HCV GT were uncommon. Accumulation of specific rare GT in DAA-failure patients suggests reduced antiviral activities of DAA regimens. The limited global availability of pangenotypic regimens for first line therapy as well as multiple targeted regimens for retreatment could result in HCV elimination targets being delayed. Impact and implications: Data on the prevalence and characteristics of rare HCV genotypes (GT) in larger cohorts are still scarce. This study found low rates of rare HCV GTs among European HCV-infected patients. In direct-acting antiviral (DAA)-failure patients, rare GT3 subtypes accumulated after pangenotypic DAA treatment and rare GT4 after first generation DAA failure and viral resistance was detected at NS5A positions 28, 30, and 31. The limited global availability of pangenotypic DAA regimens for first line therapy as well as multiple targeted regimens for retreatment could result in HCV elimination targets being delayed.
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- 2024
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33. Efficacy and Safety of Atezolizumab Plus Bevacizumab vs Sorafenib in Hepatocellular Carcinoma with Main Trunk and/or Contralateral Portal Vein Invasion in IMbrave150
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Richard S. Finn, Peter R. Galle, Michel Ducreux, Ann-Lii Cheng, Norelle Reilly, Alan Nicholas, Sairy Hernandez, Ning Ma, Philippe Merle, Riad Salem, Daneng Li, and Valeriy Breder
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Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Introduction: Atezolizumab plus bevacizumab significantly improved overall survival (OS) and progression-free survival (PFS) vs sorafenib in patients with unresectable hepatocellular carcinoma (HCC) in IMbrave150. Efficacy and safety in patient subpopulations with Vp4 portal vein tumor thrombosis (PVTT) and other high-risk prognostic factors are reported. Methods: IMbrave150 was a global, randomized (2:1), open-label, phase 3 study in systemic treatment–naive patients with unresectable HCC; OS and PFS were co-primary endpoints. Exploratory analyses compared the efficacy and safety of atezolizumab 1,200 mg plus bevacizumab 15 mg/kg every 3 weeks vs sorafenib 400 mg twice daily in patients (i) with and without Vp4 PVTT alone and (ii) with and without high-risk prognostic factors. Results: In patients with Vp4 PVTT, median OS was 7.6 months (95% CI 6.0-13.9) with atezolizumab plus bevacizumab (n=48) and 5.5 months (95% CI 3.4-6.7) with sorafenib (n=25; HR 0.62 [95% CI 0.34-1.11]; descriptive P=0.104). Median PFS in the respective arms was 5.4 months (95% CI 3.6-6.9) and 2.8 months (95% CI 1.5-5.3; HR 0.62 [95% CI 0.35-1.09]; descriptive P=0.094). In patients without Vp4, median OS was 21.1 months (95% CI 18.0-24.6) with atezolizumab plus bevacizumab (n=288) and 15.4 months (95% CI 12.6-18.6) with sorafenib (n=140; HR 0.67 [95% CI 0.51-0.88]; descriptive P=0.003). Median PFS in the respective arms was 7.1 months (95% CI 6.1-9.6) and 4.7 months (95% CI 4.2-6.1; HR 0.64 [95% CI 0.51-0.81]; descriptive P
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- 2024
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34. The Reuse Potential of Hundreds of Insulating Glass Units in Buildings
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Esther Geboes, Waldo Galle, Niels De Temmerman, Ed Melet, and Elke Van Nieuwenhuijzen
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Clay industries. Ceramics. Glass ,TP785-869 - Abstract
Reuse of entire insulating glas units (IGUs) in façades is a high-level circular strategy to decrease material and energy use and CO2 emissions. Yet, how many post-consumer IGUs are fit for such a direct reapplication and comply to building regulations having a 90% nominal argon filling and a sufficient residual lifetime? To address this question, almost one thousand IGUs in more than 40 different buildings in The Netherlands were studied. The glass and cavity width and the argon concentration were measured with the Sparklike Laser Portable. Then, each IGU was double-checked with a standalone glass thickness meter to verify non-standard cavity widths. The product age was obtained via the spacer code or general building information. A threshold of maximum 15 years was set as general indicator of a residual service life of 10 to 25 years. The results of the applied method show that just over 50% of the IGUs meet the required argon concentration. Furthermore, the combination of a maximum IGU product age of 15 years and a 90% nominal argon fill resulted in 24% of tested IGUs as potentially suitable for reuse. The results raise questions about the reuse of IGUs in practice, which are discussed in this paper.
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- 2024
35. On the Trade-off between Redundancy and Local Coherence in Summarization
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Cardenas, Ronald, Galle, Matthias, and Cohen, Shay B.
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Computer Science - Computation and Language - Abstract
Extractive summaries are usually presented as lists of sentences with no expected cohesion between them and with plenty of redundant information if not accounted for. In this paper, we investigate the trade-offs incurred when aiming to control for inter-sentential cohesion and redundancy in extracted summaries, and their impact on their informativeness. As case study, we focus on the summarization of long, highly redundant documents and consider two optimization scenarios, reward-guided and with no supervision. In the reward-guided scenario, we compare systems that control for redundancy and cohesion during sentence scoring. In the unsupervised scenario, we introduce two systems that aim to control all three properties -- informativeness, redundancy, and cohesion -- in a principled way. Both systems implement a psycholinguistic theory that simulates how humans keep track of relevant content units and how cohesion and non-redundancy constraints are applied in short-term memory during reading. Extensive automatic and human evaluations reveal that systems optimizing for -- among other properties -- cohesion are capable of better organizing content in summaries compared to systems that optimize only for redundancy, while maintaining comparable informativeness. We find that the proposed unsupervised systems manage to extract highly cohesive summaries across varying levels of document redundancy, although sacrificing informativeness in the process. Finally, we lay evidence as to how simulated cognitive processes impact the trade-off between the analyzed summary properties., Comment: Accepted to JAIR
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- 2022
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36. Cell-free DNA methylome analysis for early preeclampsia prediction
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De Borre, Marie, Che, Huiwen, Yu, Qian, Lannoo, Lore, De Ridder, Kobe, Vancoillie, Leen, Dreesen, Pauline, Van Den Ackerveken, Mika, Aerden, Mio, Galle, Eva, Breckpot, Jeroen, Van Keirsbilck, Joachim, Gyselaers, Wilfried, Devriendt, Koen, Vermeesch, Joris Robert, Van Calsteren, Kristel, and Thienpont, Bernard
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- 2023
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37. Make or break the loop: a cross-practitioners review of glass circularity
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Geboes, Esther, Galle, Waldo, and De Temmerman, Niels
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- 2023
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38. Belgium’s Healthcare System: The Way Forward to Address the Challenges of the 21st Century; Comment on 'Integration or Fragmentation of Health Care? Examining Policies and Politics in a Belgian Case Study'
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Jan De Maeseneer and Anna Galle
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integrated care ,health system reform ,primary healthcare ,health policy ,Public aspects of medicine ,RA1-1270 - Abstract
In this paper we have tried, starting from the results of an analysis of the functioning of integrated care in the Belgian Health System by Martens et al, to design a strategy that could contribute to better addressing the challenges of the 21st century in Belgium. We proposed health system changes at the macro-, meso- and micro-level. We focused on health policy development and organization of care, emphasizing the importance of a shift from a hospital-centric towards a primary care based approach. Special attention was paid to the need for institutional reforms, in order to facilitate the further development of interprofessional integrated care, that focuses on the achievement of the life-goals of a person.
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- 2023
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39. Variability of transient elastography-based spleen stiffness performed at 100 Hz
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Angelo Armandi, Talal Merizian, Merle Marie Werner, Harvey O. Coxson, Tiziana Sanavia, Giovanni Birolo, Isabella Gashaw, Judith Ertle, Maurice Michel, Peter R. Galle, Christian Labenz, Tilman Emrich, and Jörn M. Schattenberg
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Elasticity imaging techniques ,Hypertension (portal) ,Liver cirrhosis ,Reproducibility of results ,Spleen ,Medical physics. Medical radiology. Nuclear medicine ,R895-920 - Abstract
Abstract Background Spleen stiffness measurement (SSM) performed by transient elastography at 100 Hz is a novel technology for the evaluation of portal hypertension in advanced chronic liver disease, but technical aspects are lacking. We aimed to evaluate the intraexamination variability of SSM and to determine the best transient elastography protocol for obtaining robust measurements to be used in clinical practice. Methods We analyzed 253 SSM exams with up to 20 scans for each examination, performed between April 2021 and June 2022. All SSM results were evaluated according to different protocols by dividing data into groups of n measurements (from 2 to 19). Considering as reference the median SSM values across all the 20 measurements, we calculated the distribution of the absolute deviations of each protocol from the reference median. This analysis was repeated 1,000 times by resampling the data. Distributions were also stratified by etiology (chronic liver disease versus clinically significant portal hypertension) and different SSM ranges: 75 kPa. Results Overall, we observed that the spleen stiffness exam had less variability if it exceeded 12 measurements, i.e., absolute deviations ≤ 5 kPa at 95% confidence. For exams with higher SSM values (> 75 kPa), as seen in clinically significant portal hypertension, at least 15 measurements are highly recommendable. Conclusions Fifteen scans per examination should be considered for each SSM exam performed at 100 Hz to achieve a low intraexamination variability within a reasonable time in clinical practice. Relevance statement Performing at least 15 scans per examination is recommended for 100 Hz SSM in order to achieve a low intraexamination variability, in particular for values > 75 kPa compatible with clinically significant portal hypertension. Key points • Spleen stiffness measurement by transient elastography is used for stratification in patients with portal hypertension. • At 100 Hz, this method may have intraexamination variability. • A minimum of 15 scans per examination achieves a low intraexamination variability. Graphical Abstract
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- 2023
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40. Between words and characters: A Brief History of Open-Vocabulary Modeling and Tokenization in NLP
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Mielke, Sabrina J., Alyafeai, Zaid, Salesky, Elizabeth, Raffel, Colin, Dey, Manan, Gallé, Matthias, Raja, Arun, Si, Chenglei, Lee, Wilson Y., Sagot, Benoît, and Tan, Samson
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Computer Science - Computation and Language ,Computer Science - Machine Learning - Abstract
What are the units of text that we want to model? From bytes to multi-word expressions, text can be analyzed and generated at many granularities. Until recently, most natural language processing (NLP) models operated over words, treating those as discrete and atomic tokens, but starting with byte-pair encoding (BPE), subword-based approaches have become dominant in many areas, enabling small vocabularies while still allowing for fast inference. Is the end of the road character-level model or byte-level processing? In this survey, we connect several lines of work from the pre-neural and neural era, by showing how hybrid approaches of words and characters as well as subword-based approaches based on learned segmentation have been proposed and evaluated. We conclude that there is and likely will never be a silver bullet singular solution for all applications and that thinking seriously about tokenization remains important for many applications., Comment: 15 page preprint
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- 2021
41. Emotional Intelligence and Motor Competence in Children, Adolescents, and Young Adults
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Mohammadi Orangi, Behzad, Lenoir, Matthieu, Yaali, Rasoul, Ghorbanzadeh, Behrouz, O'Brien-Smith, Jade, Galle, Julie, and De Meester, An
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This study's purpose was to explore the relationship between emotional intelligence (EI) and motor competence (MC) in 540 children, adolescents, and young adults. Using the Schutte Self-Report Emotional Intelligence Scale (SSEIT), participants were divided in three groups of high, average, and low EI. The short form of Bruininks-Oseretsky Test for Motor Proficiency -- 2 (BOTMP-2SF) evaluated MC. Within each age and sex group, associations between MC and a) EI as a global construct and b) the four subdomains of EI were overall significant (with p < 0.01 for 85 out of 90 correlations) and very strong (with 66 correlations > 0.60). A 3 (EI groups) x 3 (age groups) x 2 (sex) ANOVA on standardized overall MC scores revealed that in all age groups, participants with higher EI outperformed their peers with average and low EI with respect to MC (p < 0.001). Additionally, boys scored higher on MC tests compared to girls (p < 0.001). A third-order interaction effect (p < 0.001) revealed that boys' superiority in MC generally decreased from childhood to adulthood, especially in the low EI group. The outcomes of this study show a robust relationship between EI and MC from childhood through early adulthood, suggesting a novel MC correlate throughout the lifespan.
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- 2023
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42. Speeding Up Entmax
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Tezekbayev, Maxat, Nikoulina, Vassilina, Gallé, Matthias, and Assylbekov, Zhenisbek
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Computer Science - Computation and Language ,Computer Science - Machine Learning - Abstract
Softmax is the de facto standard in modern neural networks for language processing when it comes to normalizing logits. However, by producing a dense probability distribution each token in the vocabulary has a nonzero chance of being selected at each generation step, leading to a variety of reported problems in text generation. $\alpha$-entmax of Peters et al. (2019, arXiv:1905.05702) solves this problem, but is considerably slower than softmax. In this paper, we propose an alternative to $\alpha$-entmax, which keeps its virtuous characteristics, but is as fast as optimized softmax and achieves on par or better performance in machine translation task., Comment: Findings of NAACL 2022
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- 2021
43. Unsupervised and Distributional Detection of Machine-Generated Text
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Gallé, Matthias, Rozen, Jos, Kruszewski, Germán, and Elsahar, Hady
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Computer Science - Computation and Language ,Computer Science - Information Retrieval - Abstract
The power of natural language generation models has provoked a flurry of interest in automatic methods to detect if a piece of text is human or machine-authored. The problem so far has been framed in a standard supervised way and consists in training a classifier on annotated data to predict the origin of one given new document. In this paper, we frame the problem in an unsupervised and distributional way: we assume that we have access to a large collection of unannotated documents, a big fraction of which is machine-generated. We propose a method to detect those machine-generated documents leveraging repeated higher-order n-grams, which we show over-appear in machine-generated text as compared to human ones. That weak signal is the starting point of a self-training setting where pseudo-labelled documents are used to train an ensemble of classifiers. Our experiments show that leveraging that signal allows us to rank suspicious documents accurately. Precision at 5000 is over 90% for top-k sampling strategies, and over 80% for nucleus sampling for the largest model we used (GPT2-large). The drop with increased size of model is small, which could indicate that the results hold for other current and future large language models., Comment: 10 pages
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- 2021
44. Multilingual Unsupervised Neural Machine Translation with Denoising Adapters
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Üstün, Ahmet, Bérard, Alexandre, Besacier, Laurent, and Gallé, Matthias
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Computer Science - Computation and Language - Abstract
We consider the problem of multilingual unsupervised machine translation, translating to and from languages that only have monolingual data by using auxiliary parallel language pairs. For this problem the standard procedure so far to leverage the monolingual data is back-translation, which is computationally costly and hard to tune. In this paper we propose instead to use denoising adapters, adapter layers with a denoising objective, on top of pre-trained mBART-50. In addition to the modularity and flexibility of such an approach we show that the resulting translations are on-par with back-translating as measured by BLEU, and furthermore it allows adding unseen languages incrementally., Comment: Accepted as a long paper to EMNLP 2021
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- 2021
45. Rare HCV subtypes and retreatment outcomes in a cohort of European DAA-experienced patients
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Antoni, C., Teufel, A., Vogelmann, R., Ebert, M., Balavoine, J., Giostra, E., Berning, M., Hampe, J., Boettler, T., Neumann-Haefelin, C., Thimme, R., De Gottardi, A., Rauch, A., Semmo, N., Ellenrieder, V., Gress, M., Herrmann, A., Stallmach, A., Hoffmann, D., Protzer, U., Kodal, A., Löbermann, M., Götze, T., Keitel-Anselmino, V., Lange, C.M., Zachoval, R., Mayerle, J., Maieron, A., Michl, P., Merle, U., Moradpour, D., Chave, J.-P., Muche, M., Epple, H.-J., Müller-Schilling, M., Kocheise, F., Müller, T., Tacke, F., Roeb, E., Rissland, J., Krawczyk, M., Schulze, P., Semela, D., Spengler, U., Rockstroh, J., Strassburg, C.P., Siebler, J., Schulze zur Wiesch, J., Piecha, F., von Felden, J., Jordan, S., Lohse, A., Sprinzl, M., Galle, P., Stauber, R., Strey, B., Steckstor, W., Schmiegel, W., Brockmeyer, N.H., Canbay, A., Trautwein, C., Uschner, F., Trebicka, J., Weber, T., Wedemeyer, H., Cornberg, M., Manns, M., Wietzke-Braun, P., Günther, R., Willuweit, K., Hilgard, G., Schmidt, H., Zizer, E., Backhus, J., Seufferlein, T., Al-Taie, O., Angeli, W., Beckebaum, S., Erhardt, A., Garrido-Lüneburg, A., Gattringer, H., Genné, D., Gschwantler, M., Gundling, F., Hametner, S., Schöfl, R., Haag, S., Heinzow, H., Heyer, T., Hirschi, C., Jussios, A., Kanzler, S., Kordecki, N., Kraus, M., Kullig, U., Wollschläger, S., Magenta, L., Beretta-Piccoli, B. Terziroli, Menges, M., Mohr, L., Muehlenberg, K., Niederau, C., Paulweber, B., Petrides, A., Pinkernell, M., Piso, R., Rambach, W., Reinhardt, L., Reiser, M., Riecken, B., Rieke, A., Roth, J., Schelling, M., Schlee, P., Schneider, A., Scholz, D., Schott, E., Schuchmann, M., Schulten-Baumer, U., Seelhoff, A., Stich, A., Stickel, F., Ungemach, J., Walter, E., Weber, A., Wege, H., Winzer, T., Abels, W., Adler, M., Audebert, F., Baermann, C., Bästlein, E., Barth, R., Barthel, K., Becker, W., Behrends, J., Benninger, J., Berger, F., Berzow, D., Beyer, T., Bierbaum, M., Blaukat, O., Bodtländer, A., Böhm, G., Börner, N., Bohr, U., Bokemeyer, B., Bruch, H.R., Bucholz, D., Buggisch, P., Matschenz, K., Petersen, J., Burkhard, O., Busch, N., Chirca, C., Delker, R., Diedrich, J., Frank, M., Diehl, M., Tal, A.O., Schneider, M., Dienethal, A., Dietel, P., Dikopoulos, N., Dreck, M., Dreher, F., Drude, L., Ende, K., Ehrle, U., Baumgartl, K., Emke, F., Glosemeyer, R., Felten, G., Hüppe, D., Fischer, J., Fischer, U., Frederking, D., Frick, B., Friese, G., Gantke, B., Geyer, P., Schwind, H.R., Glas, M., Glaunsinger, T., Goebel, F., Göbel, U., Görlitz, B., Graf, R., Gruber, H., Hartmann, C., Klag, C., Härter, G., Herder, M., Heuchel, T., Heuer, S., Hinrichsen, H., Seegers, B., Höffl, K.-H., Hörster, H., Sonne, J.-U., Hofmann, W.P., Holst, F., Hunstiger, M., Hurst, A., Jägel-Guedes, E., John, C., Jung, M., Kallinowski, B., Kapzan, B., Kerzel, W., Khaykin, P., Klarhof, M., Klüppelberg, U., Wolfratshausen, Klugewitz, K., Knapp, B., Knevels, U., Kochsiek, T., Körfer, A., Köster, A., Kuhn, M., Langekamp, A., Künzig, B., Link, R., Littman, M., Löhr, H., Lutz, T., Gute, P., Knecht, G., Lutz, U., Mainz, D., Mahle, I., Maurer, P., Mauss, S., Mayer, C., Möller, H., Heyne, R., Moritzen, D., Mroß, M., Mundlos, M., Naumann, U., Nehls, O., K, Ningel, R., Oelmann, A., Olejnik, H., Gadow, K., Pascher, E., Philipp, A., Pichler, M., Polzien, F., Raddant, R., Riedel, M., Rietzler, S., Rössle, M., Rufle, W., Rump, A., Schewe, C., Hoffmann, C., Schleehauf, D., Schmidt, W., Schmidt-Heinevetter, G., Fabris, J. Schmidtler-von, Schneider, L., Schober, A., Niehaus-Hahn, S., Schwenzer, J., Seidel, T., Seitel, G., Sick, C., Simon, K., Stähler, D., Stenschke, F., Steffens, H., Stein, K., Steinmüller, M., Sternfeld, T., Svensson, K., Tacke, W., Teuber, G., Teubner, K., Thieringer, J., Tomesch, A., Trappe, U., Ullrich, J., Urban, G., Usadel, S., von Lucadou, A., Weinberger, F., Werheid-Dobers, M., Werner, P., Winter, T., Zehnter, E., Zipf, A., Dietz, Julia, Graf, Christiana, Berg, Christoph P., Port, Kerstin, Deterding, Katja, Buggisch, Peter, Peiffer, Kai-Henrik, Vermehren, Johannes, Dultz, Georg, Geier, Andreas, Reiter, Florian P., Bruns, Tony, Schattenberg, Jörn M., Durmashkina, Elena, Gustot, Thierry, Moreno, Christophe, Trauth, Janina, Discher, Thomas, Fischer, Janett, Berg, Thomas, Kremer, Andreas E., Müllhaupt, Beat, Zeuzem, Stefan, and Sarrazin, Christoph
- Published
- 2024
- Full Text
- View/download PDF
46. Variability of transient elastography-based spleen stiffness performed at 100 Hz
- Author
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Armandi, Angelo, Merizian, Talal, Werner, Merle Marie, Coxson, Harvey O., Sanavia, Tiziana, Birolo, Giovanni, Gashaw, Isabella, Ertle, Judith, Michel, Maurice, Galle, Peter R., Labenz, Christian, Emrich, Tilman, and Schattenberg, Jörn M.
- Published
- 2023
- Full Text
- View/download PDF
47. GiRAFR improves gRNA detection and annotation in single-cell CRISPR screens
- Author
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Yu, Qian, Van Minsel, Paulien, Galle, Eva, and Thienpont, Bernard
- Published
- 2023
- Full Text
- View/download PDF
48. Portal hypertension in patients with hepatocellular carcinoma and immunotherapy: prognostic relevance of CT-morphologic estimates
- Author
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Müller, Lukas, Gairing, Simon J., Foerster, Friedrich, Weinmann, Arndt, Mittler, Jens, Stoehr, Fabian, Graafen, Dirk, Düber, Christoph, Galle, Peter R., Kloeckner, Roman, and Hahn, Felix
- Published
- 2023
- Full Text
- View/download PDF
49. Mapping competitive pathways to terpenoid biosynthesis in Synechocystis sp. PCC 6803 using an antisense RNA synthetic tool
- Author
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Rodrigues, João S., Bourgade, Barbara, Galle, Karen R., and Lindberg, Pia
- Published
- 2023
- Full Text
- View/download PDF
50. The effects of a moderate physical activity intervention on physical fitness and cognition in healthy elderly with low levels of physical activity: a randomized controlled trial
- Author
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Galle, Sara A., Deijen, Jan Berend, Milders, Maarten V., De Greef, Mathieu H. G., Scherder, Erik J. A., van Duijn, Cornelia M., and Drent, Madeleine L.
- Published
- 2023
- Full Text
- View/download PDF
Catalog
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