4 Department of Hepatobiliary Surgery, G.B. Rossi Hospital, University of Verona, Verona, Italy.
5 Department of Surgery, Oncology and Gastroenterology, University of Padua, Padua, Italy.
6 Department of Surgery, HPB Surgery and Liver Transplantation, University of Milan, Milan, Italy.
7 Department of Oncology, University of Milan, Milan, Italy.
8 Department of Medicine and Surgery, University of Parma, Parma, Italy.
9 Surgical and Transplant Department, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy.
10 University of Milano-Bicocca, School of Medicine, Milan, Italy.
11 Department for the Treatment and Study of Abdominal Diseases and Abdominal Transplantation, Istituto di Ricovero e Cura a Carattere Scientifico-Istituto Mediterraneo per i Trapianti e Terapie ad Alta Specializzazione (IRCCS-ISMETT), University of Pittsburgh Medical Center (UPMC), 90127, Palermo, Italy.
12 Department of Surgery and Medical and Surgical Specialties, University of Catania, 95124, Catania, Italy.
13 Hepato-Pancreato-Biliary Surgery and Liver Transplantation Unit, University of Modena and Reggio Emilia, Modena, Italy.
14 Department of HPB and Digestive Surgery, Ospedale Mauriziano Umberto I, Turin, Italy.