1 Gastroenterology and Endoscopy Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
2 Department of Pathophysiology and Organ Transplantation, University of Milan, Milan, Italy.
3 Postgraduate Specialization in Gastrointestinal Diseases, University of Milan, Milan, Italy. alessandro.rimondi5@gmail.com.
4 Postgraduate Specialization in Gastrointestinal Diseases, Università Degli Studi di Milano, Via Francesco Sforza 35, 20122, Milano, Lombardy, Italy. alessandro.rimondi5@gmail.com.
5 Postgraduate Specialization in Gastrointestinal Diseases, Università Degli Studi di Milano, Via Francesco Sforza 35, 20122, Milano, Lombardy, Italy.