1. Department of Gastroenterology and Hepatology University Hospital Leuven Leuven Belgium
2. Department of Gastroenterology University Hospital of North Tees Stockton‐on‐Tees UK
3. Population Health Sciences Institute Newcastle University Newcastle UK
4. Gastroenterology Department Portuguese Oncology Institute Coimbra Portugal
5. Center for Health Technology and Services Research (CINTESIS) University of Porto Porto Portugal
6. Università Cattolica del Sacro Cuore Rome Italy
7. Digestive Endoscopy Unit and Gastroenterology Fondazione Poliambulanza Brescia Italy
8. Department of Medicine I Joseph's Hospital Warendorf Warendorf Germany
9. Department of Gastroenterological Oncology and Department of Cancer Prevention The Maria Sklodowska–Curie Memorial Cancer Center and Institute of Oncology Warsaw Poland
10. Department of Gastroenterology Royal Wolverhampton NHS Trust Wolverhampton UK
11. Hepato‐gastroenterology Department Mohammed VI University Hospital Oujda Morocco
12. Digestive Diseases Research Laboratory (LARMAD) Mohammed First University Oujda Morocco
13. Ellen and Pinchas Mamber Institute of Gastroenterology and Hepatology Emek Medical Center Afula Israel
14. Rappaport Family Faculty of Medicine Technion Israel Institute of Technology Haifa Israel
15. Endoscopy Unit Nuovo Regina Margherita Hospital Rome Italy
16. Endoscopy Center University Clinic of Augsburg Augsburg Germany
17. Gastroenterology Division Hôpital Edouard Herriot Lyon France
18. Department of Gastroenterology and Hepatology University of Amsterdam Amsterdam The Netherlands
19. Department of Medicine I Agaplesion Markus Hospita Frankfurt Germany
20. Gastroenterology Department Portuguese Oncology Institute of Porto Porto Portugal