1. University College London Hospitals, London, UK
2. Gastroenterology and Digestive Endoscopy, Fondazione Policlinico Gemelli, Rome, Italy
3. Gastroenterology Department, Digestive Unit, Champalimaud Foundation, Lisbon, Portugal
4. Department of Internal Medicine III, University Hospital Augsburg, Augsburg, Germany
5. Department of Gastroenterology and Hepatology, University Hospital Zurich, Switzerland
6. Division of Gastroenterology, Digestive Endoscopy Unit, Humanitas Clinical and Research Center-IRCCS, Rozzano, Italy
7. Department of Surgical and Perioperative Sciences/Surgery, Umeå University, Umeå, Sweden
8. Department of Gastroenterology and Hepatology, Université catholique de Louvain, CHU UCL Namur, Yvoir, Belgium
9. John Radcliffe Hospital, Oxford University Hospitals Foundation Trust, Oxford, UK
10. Department of Gastroenterology, Medical School and University Hospital of Ioannina, Ioannina, Greece
11. Department of Medicine, University of Szeged, Szeged, Hungary
12. Department of Gastroenterology, Hepatopancreatology and Digestive Oncology, CUB Hôpital Erasme, Université Libre de Bruxelles, Brussels, Belgium
13. Centre for Therapeutic Endoscopy, 1st Department of Surgery and Interventional Gastroenterology, Semmelweis University, Budapest, Hungary
14. Department of Gastroenterology and Hepatology, IKEM, Prague, Czech Republic
15. Department of Gastroenterology, University Hospital of Heraklion, University of Crete, Heraklion, Greece
16. Digestive Disease Center, University Hospital of Copenhagen/Herley, University of Copenhagen, Copenhagen, Denmark
17. Department of Gastrointestinal Surgery, Helsinki University Hospital, Helsinki, Finland
18. Moscow Clinical Scientific Center n.a. A.S. Loginov, Moscow, Russia
19. Pancreato-Biliary Endoscopy and Endosonography Division, Pancreas Translational and Clinical Research Center, San Raffaele Scientific Institute IRCCS, Milan, Italy
20. Department of Gastroenterology & Hepatology, Erasmus MC, University Medical Center Rotterdam, The Netherlands
21. Regional Institute of Gastroenterology and Hepatology Cluj-Napoca, University of Medicine and Pharmacy “Iuliu Hatieganu”, Cluj-Napoca, Romania
22. Endoscopy Unit, Gastroenterology Department, Complejo Hospitalario de Navarra, Instituto de Investigaciones Sanitarias de Navarra (IDISNA), Pamplona, Spain
23. Gastroenterology Department, IPO Porto, Porto, Portugal
24. Gastroenterology Division, Edouard Herriot Hospital, Lyon, France
25. Department of Gastroenterology and Hepatology, University Hospitals Leuven, and TARGID, KU Leuven, Leuven, Belgium