1 Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Division of Gastroenterology and Hepatology, CRC "A.M. and A. Migliavacca" Center for Liver Disease, Milan, Italy.
2 Foundation IRCCS Ca' Granda, Ospedale Maggiore Policlinico, "Angelo Bianchi Bonomi" Hemophilia and Thrombosis Center, Milan, Italy.