1. Ellen and Pinchas Mamber Institute of Gastroenterology and Hepatology, Emek Medical Center, Afula, and Rappaport Faculty of Medicine Technion Israel Institute of Technology, Haifa, Israel
2. Department of Gastroenterology and Hepatology, Catholic University of Leuven (KUL), TARGID, University Hospitals Leuven, Leuven, Belgium
3. Wolfson Unit for Endoscopy, St. Mark’s Hospital, London, UK
4. North Tees and Hartlepool NHS Foundation Trust, Stockton-on-Tees, UK
5. Population Health Sciences Institute, Newcastle University, Newcastle, UK
6. Department of Gastroenterology, Royal Wolverhampton NHS Trust, Wolverhampton, United Kingdom
7. Med. Klinik II, Diakovere Henriettenstift, Klinik für Enterologie, Hannover, Germany
8. Ulm, Germany
9. Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
10. Endoscopy Unit, IRCCS Humanitas Research Hospital, Milan, Italy
11. Porto Comprehensive Cancer Center (Porto.CCC) & RISE@CI-IPOP (Health Research Network), Porto, Portugal
12. III. Medizinischen Klinik, Klinikum Augsburg, Augsburg, Germany