1. Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute Sant Pau (IIB Sant Pau), Universitat Autònoma de Barcelona Barcelona Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd) Barcelona Spain
3. Biostatistics Unit Medical School, Universitat Autònoma de Barcelona Barcelona Spain
4. Medical Statistics Core Facility IDIBAPS, Hospital Clinic Barcelona Spain
5. Division of Gastroenterology, Department of Medicine E‐Da Hospital, I‐Shou University Kaohsiung Taiwan
6. Division of Gastroenterology and Hepatology, Department of Internal Medicine Korea University College of Medicine Seoul Korea
7. Section of Gastroenterology Aga Khan University Karachi Pakistan
8. Department of Hepatology Post Graduate Institute of Medical Education and Research Chandigarh India
9. University Hospitals Birmingham NHS Foundation Trust Birmingham UK
10. Institute of Immunology and Immunotherapy University of Birmingham Birmingham UK
11. Department of Hepatology Royal Infirmary of Edinburgh Edinburgh UK
12. Helios Clinic Siegburg Department Gastroenterology and Hepatology Siegburg Germany
13. Center of Gastroenterology & Hepatology, Fundeni Clinical Institute "Carol Davila" University of Medicine Bucharest Romania
14. Department of Gastroenterology Federal University of São Paulo, State University of Campinas Campinas Brazil
15. University of Southern California (USC) School of Medicine Los Angeles USA
16. Keck School of Medicine of University of Southern California and Clinical Outreach and Development Los Angeles USA
17. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Veterans General Hospital Kaohsiung Taiwan, Republic of China
18. University Clinic for Visceral Surgery and Medicine, Inselspital Bern University Hospital Bern Switzerland
19. National Institute of Liver & GI Diseases, Dow University of Health Sciences Karachi Pakistan
20. Department of Internal Medicine I University of Bonn Bonn Germany
21. Department of Medicine, Division of Digestive Diseases David Geffen School of Medicine at UCLA Los Angeles California USA
22. Center for the Health Sciences, Los Angeles Veterans Administration Greater Los Angeles Healthcare System Los Angeles California USA
23. Center for Ulcer Research and Education: Digestive Diseases Research Center