[1] Univ Calif Los Angeles, Vache & Tamar Manoukian Div Digest Dis, Los Angeles, CA USA
[2] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Div Digest Dis, Los Angeles, CA 90024 USA
[3] Univ Minnesota, Div Gastroenterol & Hepatol, Minneapolis, MN 55455 USA
[4] Univ Calif Los Angeles, David Geffen Sch Med, Dept Med, Los Angeles, CA 90024 USA
[5] Univ Calif Los Angeles, Pfleger Liver Inst, Los Angeles, CA USA
[6] Huntington Med Res Inst Liver Ctr, Pasadena, CA USA