[1] Hop Beaujon, Serv Hepatol, INSERM, U481, Clichy, France
[2] Hop Beaujon, Ctr Rech Claude Bernard Hepatite Virales, Clichy, France
[3] Prince Songkla Univ, Dept Internal Med, Songklanagarind Hosp, NKC Inst Gastroenterol & Hepatol, Hat Yai, Thailand
[4] Univ Pisana, Azienda Osped, UO Gastroenterol & Epatol, Pisa, Italy
[5] Univ Pisa, Pisa, Italy
[6] Policlin Milan, Sci Direct, Fdn IRCCS, Pisa, Italy
[7] Univ Hong Kong, Queen Mary Hosp, Dept Med, Hong Kong, Hong Kong, Peoples R China
[8] Univ Cagliari, Cagliari, Italy
[9] Ankara Univ, Fac Med, TR-06100 Ankara, Turkey
[10] Roche, Dee Why, Australia
[11] Roche, Basel, Switzerland