[1] Hop Jean Verdier, AP HP, Serv Radiol, Dept Radiol, F-93143 Bondy, France
[2] Hop Jean Verdier, AP HP, Dept Hepatogastroenterol, F-93143 Bondy, France
[3] Hop Lariboisiere, AP HP, Unit Clin Res, F-75475 Paris, France
[4] Hop Henri Mondor, AP HP, Dept Hepatobiliary & Digest Surg, F-94010 Creteil, France