1. Gilead Sciences, Inc.; Foster City CA USA
2. Department of Hepatology; Hôpital Beaujon, Assistance Publique-Hôpitaux de Paris; Université Paris-Diderot and INSERM UMR1149; Clichy France
3. UMR CNRS 6284; Department of Hepatology and Gastroenterology; Centre Hospitalier Universitaire Estaing; Université d'Auvergne; Clermont-Ferrand France