1. Department of Gastroenterology and Endoscopy, Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Milan, Italy;
2. Department of Pathophysiology and Organ Transplant, Università degli Studi di Milano, Milan, Italy;
3. General and Emergency Surgery Department, ASST Trauma Center “Papa Giovanni XXIII” Hospital, Bergamo, Italy