[1] Hop Henri Mondor, Hepatol, F-94010 Creteil, France
[2] Beaujon Hosp, Hepatol Hepatobiliary Surg, Clichy, France
[3] Cochin Hosp, Hepatol, Paris, France
[4] Univ Paris 11, INSERM, Biostat, Paris, France
[5] Beaujon Hosp, Med Informat, Clichy, France