1. Outpatients Department of Gastroenterology, Hospital Lüneburg, Lüneburg, Germany
2. Department of Gastroenterology, DRK Kliniken Berlin I Westend, Berlin, Germany
3. Gastroenterology and Hepatology Center, Zurich, Switzerland
4. Department of Internal Medicine and Gastroenterology, Hospital Lüneburg, Lüneburg, Germany
5. Department of Gastroenterology, Humanitas Clinical and Research Institute, Milan, Italy
6. Department of Gastroenterology, Valiant Clinic & American Hospital, Dubai, UAE
7. Department of Systems Medicine, University of Rome, Tor Vergata, Italy
8. Division of Gastroenterology, University of Alberta, Edmonton, AB, Canada
9. Department of Medicine B, Gastroenterology and Hepatology, University Hospital Münster, Münster, Germany
10. Department of Anatomic Pathology, Hospital Cuf Descobertas; Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal
11. Department of Gastroenterology, North Zealand University Hospital; Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital, Frederiksberg, Denmark
12. Department of Clinical Medicine and Surgery, “Federico II” University of Naples, Naples, Italy
13. Department of Gastroenterology, Sheba Medical Center, Sackler School of Medicine, Tel Aviv, Israel
14. Department of Medicine, Mater Dei Hospital, Msida, Malta
15. Department of Gastroenterology, University Hospital Puerta De Hierro, Majadahonda [Madrid], Spain
16. Department of Gastroenterology, Royal London Hospital, London, UK
17. Centre for Medical Imaging, University College London, London, UK
18. Department of Gastroenterology and Hepatology, University and Medical School of Ioannina, Ioannina, Greece
19. Colorectal Surgery Unit, Catholic University of Paraná [PUCPR], Curitiba, Brazil
20. Department of of Gastroenterology, Hepatology and Nutrition, Pauls Stradins Clinical University Hospital, Riga, Latvia
21. Department of Clinical and Surgical Translational Medicine, Sapienza University of Rome, Rome, Italy
22. Department of Gastroenterology, Pennine Acute Hospitals NHS Trust, Manchester; Manchester Academic Health Sciences Centre, University of Manchester, UK
23. Department of Gastroenterology, Hepatology & Nutrition, Digestive Diseases and Surgery Institute, Cleveland Clinic, Cleveland, OH, USA
24. Department of Radiology, Hospital Clínic Barcelona, Barcelona, Spain
25. Clinical Radiology, St James’s University Hospital, Leeds, UK
26. Department of Paediatric Gastroenterology, Hepatology and Nutrition, University Medical Center Groningen, Groningen, The Netherlands
27. Department of Gastroenterology and Hepatology, University Hospitals Leuven and CHROMETA - Translational Research in Gastrointestinal Disorders, KU Leuven, Leuven, Belgium
28. Department of Radiology and Nuclear Medicine, Academic Medical Center [AMC], University of Amsterdam, Amsterdam, The Netherlands