[1] Fond IRCCS Ca Granda OMP Univ Milano, UO Chir Gen & Trap Fegato, Milan, Italy
[2] Hop Henri Mondor, Serv Chir Dig Hepatobiliaire & Transpl Hepat, Creteil Paris, France
[3] INSERM, U1004, Creteil Paris, France
[4] Hop Henri Mondor, Serv Hepatol, Creteil Paris, France
[5] Blackburn Royal Hosp, Gen & HPB Surg, Blackburn, Lancs, England