[1] Charite Univ Med Berlin, Med Kilin Schwerpunkt Hepatol & Gastroenterol, D-13353 Berlin, Germany
[2] San Jose Gastroenterol, San Jose, CA USA
[3] Hepatol Schwerpunktpraxis, Berlin, Germany
[4] Hop Beaujon, Serv Hepatol, Clichy, France
[5] Hosp Univ De Valme, Hepatol Unit, Digest Dept, Seville, Spain
[6] Gilead Sci Inc, Durham, NC USA