1. Department of Digestive Endoscopy, Centre Hospitalier Universitaire de Nice, Nice, France
2. Department of Surgery, Cancer Center Amsterdam, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
3. Gastroenterology, Hepatopancreatology and Digestive Oncology, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium
4. Department of Surgery, Centre for Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden
5. Department of Gastroenterology, Evangelisches Krankenhaus Düsseldorf, Dusseldorf, Nordrhein-Westfalen, Germany
6. Gastroenterology and Hepatology Department, Cliniques universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
7. Department of Gastroenterology and Internal Medicine, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic
8. Department of Surgery, University Hospital Brno, Faculty of Medicine, Masaryk University, Brno, Czech Republic
9. Digestive Endoscopy Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
10. Aziende Socio Sanitaria Territoriale Rhodense, Gastroenterology, Garbagnate Milanese, Italy
11. Department of Endoscopic Services, Western Health, Melbourne, Australia
12. Department of Medicine, Western Health, Melbourne Medical School, University of Melbourne, Victoria, Australia
13. Service de Gastroentérologie, Hôpital Privé Jean Mermoz, Ramsay Générale de Santé, Lyon, France
14. Department of Gastroenterology, Freeman Hospital, Newcastle upon Tyne, UK
15. Department of Gastroenterology, Georges-Pompidou European Hospital, AP-HP Centre - Université de Paris, Paris, France
16. Gastroenterology Center, Klinik Hirslanden, Zurich, Switzerland
17. Department of Gastroenterology, Hôpital Nord, Assistance publique des hôpitaux de Marseille, Marseille, France
18. Department of Gastroenterology and Hepatology, Leiden University Medical Center, The Netherlands