1. Gedyt Endoscopy Center, Buenos Aires, Argentina
2. Digestive Endoscopy Unit, Catholic University, Rome, Italy
3. Hepatogastroenterology Unit, Second Department of Internal Medicine – Propaedeutic, Research Institute and Diabetes Center, Medical School, National and Kapodistrian University, Attikon University General Hospital, Athens, Greece
4. CHU Charleroi et Vésale, ISPPC, Charleroi, Belgium
5. Gastrointestinal Endoscopy Unit, Humanitas Mater Domini, Castellanza, Italy - Humanitas University, Milan, Italy
6. Department of Gastroenterology, Klinikum Ludwigsburg, University of Heidelberg, Germany
7. Department of Gastroenterology and Endoscopy, Hôpital Universitaire l’Archet, Nice, France
8. Digestive Endoscopy Unit Catholic University, Rome, Italy
9. Department of Gastroenterology Hepatopancreatology, and Digestive Oncology, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
10. Department of Digestive Diseases, Hospital Virgen de La Luz, Cuenca, Spain
11. Department of Gastroenterology, Medical Center, Hungarian Defense Forces, Budapest, Hungary
12. Gastroenterology Unit, Hôpital Cochin (AP-HP), Paris, France
13. Department of Gastroenterology and Hepatology, Radboud University Medical Center, Nijmegen, The Netherlands
14. Department of Gastroenterology and Hepatology, Amsterdam UMC, University of Amsterdam, The Netherlands