1. Liver Transplant Unit General Surgery 2U Azienda Ospedaliera Universitaria Città Della Salute e Della Scienza di Torino University of Turin Turin Italy
2. Department of Hepatobiliary and General Surgery Humanitas Clinical and Research Center Istituto di Ricovero e Cura a Carattere Scientifico Milan Italy
3. Department of Clinical and Surgical Sciences University of Pavia Pavia Italy