[1] Univ Tokyo, Grad Sch Med, Hepatobiliary Pancreat Surg Div, Dept Surg,Artificial Organ & Organ Transplantat D, Tokyo, Japan
[2] Univ Padua, Unita Chirurg Epatobiliare & Trapianto Epat, Azienda Osped, Padua, Italy
[3] Univ Bologna, DIMEC, Dept Med & Surg Sci, Bologna, Italy
[4] Univ Bologna, S Orsola Malpighi Hosp, Bologna, Italy
[5] Univ Bologna, Alma Mater Studiorum, Bologna, Italy
[6] Humanitas Univ, Div Hepatobiliary & Gen Surg, Dept Surg, Milan, Italy
[7] Humanitas Res Hosp, Milan, Italy