[1] Univ Padua, Dept Surg & Gastroenterol Sci, I-35100 Padua, Italy
[2] Osped Riuniti Bergamo, Ctr Liver Res CeLiveR, Bergamo, Italy
[3] Univ Padua, Dept Oncol & Surg Sci, Padua, Italy
[4] IRCCS, Ist Oncol Veneto, Padua, Italy
[5] Yale Univ, Sect Digest Dis, Internal Med, New Haven, CT USA
[6] Yale Univ, Ctr Liver, New Haven, CT USA
[7] Univ Milano Bicocca, Clin Med & Prevent, Milan, Italy