1. Digestive Endoscopy Unit Fondazione Policlinico A. Gemelli IRCCS Rome Italy
2. Gastroenterology and Internal Medicine Departments Colentina Clinical Hospital Carol Davila University of Medicine Bucharest Romania
3. Gastroenterology and Digestive Endoscopy Unit Pancreas Institute University Hospital of Verona Verona Italy
4. Gastroenterology Division Fondazione Policlinico Universitario A. Gemelli IRCCS Catholic University Rome Italy
5. and Digestive Endoscopy Unit Fondazione Policlinico Universitario A. Gemelli IRCCS Catholic University Rome Italy
6. IHU‐USIAS University of Strasbourg Strasbourg France
7. CERTT, Center for Endoscopic Research Therapeutics and Training Catholic University Rome Italy