1. Gastroenterology Service, Hôpital Civil Marie Curie, Charleroi, Belgium
2. Department of Gastroenterology and Hepatology, Ordensklinikum Barmherzige Schwestern, Linz, Austria
3. GI Endoscopy Unit, OUS, Rikshospitalet University Hospital, Oslo, Norway
4. 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
5. Digestive Endoscopy Unit, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
6. Centre for Endoscopic Research, Therapeutics and Training (CERTT), Università Cattolica del Sacro Cuore, Rome, Italy
7. Centre Hospitalier Universitaire de Nice, Pole D.A.R.E, Endoscopie Digestive, Nice, France
8. Department of Internal Medicine and Gastroenterology, Evangelisches Krankenhaus Düsseldorf, Dusseldorf, Germany
9. Gastroenterology Department, Portuguese Oncology Institute of Porto, Portugal
10. Center for Research in Health Technologies and Information Systems (CINTESIS), Faculty of Medicine, Porto, Portugal
11. Semmelweis University, 1st Department of Surgery, Center for Therapeutic Endoscopy, Budapest, Hungary
12. Division of Pancreato-Biliary Endoscopy and Endosonography, Pancreas Translational & Clinical Research Center, San Raffaele Scientific Institute IRCCS, Vita Salute San Raffaele University, Milan, Italy
13. Gastroenterology Department, Benizelion General Hospital, Heraklion, Crete, Greece
14. Gastroenterology Department, Valduce Hospital, Como, Italy,
15. Asian Institute of Gastroenterology, Hyderabad, India
16. Department of Gastroenterology, New Cross Hospital, Wolverhampton, UK
17. Department of Gastroenterology and Hepatology, Amsterdam University Medical Centers, University of Amsterdam, The Netherlands