1. Digestive and Interventional Endoscopy Unit, Niguarda-Ca’ Granda Hospital, Milan, Italy
2. Digestive Endoscopy Unit, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
3. Oncological and Mininvasive Surgery, Niguarda-Ca’ Granda Hospital, Milan, Italy
4. Department of Anaesthesia, Niguarda-Ca’ Granda Hospital, Milan, Italy
5. Interventional Radiology, Niguarda-Ca’ Granda Hospital, Milan, Italy
6. Hepato-biliary-pancreatic Surgery and Liver Transplantation Unit, Niguarda-Ca’ Granda Hospital, Milan, Italy
7. Emergency and Trauma Center, Niguarda-Ca’ Granda Hospital, Milan, Italy
8. Department of Surgery and Translational Medicine, Careggi Hospital, Florence, Italy