1 Digestive Endoscopy Unit, Foundation University Hospital A. Gemelli, IRCCS, Rome, Italy; Gastroenterology and Internal Medicine Departments, Colentina Clinical Hospital, Carol Davila University of Medicine, Bucharest, Romania.
2 Pancreas Institute, Gastroenterology and Digestive Endoscopy Unit, University Hospital, Verona, Italy.
3 Gastroenterology Division, Foundation University Hospital A. Gemelli, Catholic University, IRCCS, Rome, Italy.
4 Digestive Endoscopy Unit, Foundation University Hospital A. Gemelli, Catholic University, IRCCS, Rome, Italy; IHU-USIAS, University of Strasbourg, Strasbourg, France.
5 ARC-Net Research Centre and Department of Diagnostics and Public Health, University of Verona, Verona, Italy.
6 Digestive Endoscopy Unit, Foundation University Hospital A. Gemelli, IRCCS, Rome, Italy.