[1] St Louis Univ, Sch Med, Div Gastroenterol & Hepatol, St Louis, MO 63103 USA
[2] Virginia Commonwealth Univ, Med Ctr, Hepatol Sect, Richmond, VA USA
[3] Univ Colorado, Sch Med, Div Gastroenterol & Hepatol, Sect Hepatol, Denver, CO 80202 USA
[4] Univ So Calif, Keck Sch Med, Div Gastrointestinal & Liver Dis, Los Angeles, CA USA
[5] NIDDKD, Div Digest Dis & Nutr, NIH, Dept Hlth & Human Serv, Bethesda, MD 20892 USA
[6] NIDDKD, Off Director, NIH, Dept Hlth & Human Serv, Bethesda, MD 20892 USA
[7] Univ Texas, SW Med Ctr, Div Digest & Liver Dis, Dallas, TX 75230 USA
[8] Univ Michigan, Med Ctr, Div Gastroenterol, Ann Arbor, MI 48109 USA
[9] Univ Connecticut, Ctr Hlth, Dept Med, Farmington, CT USA
[10] Univ Connecticut, Ctr Hlth, Dept Mol & Struct Biol, Farmington, CT USA
[11] Univ Connecticut, Ctr Hlth, Liver Biliary Pancreat Ctr, Farmington, CT USA
[12] Univ Calif Irvine, Div Gastroenterol, Irvine, CA USA
[13] Univ Calif Irvine, Gastroenterol Serv, Irvine, CA USA
[14] VA Long Beach Healthcare Syst, Irvine, CA USA
[15] Massachusetts Gen Hosp, Gastrointestinal Unit, Med Serv, Boston, MA 02114 USA
[16] Massachusetts Gen Hosp, Dept Med, Boston, MA 02114 USA
[17] Harvard Univ, Sch Med, Boston, MA 02115 USA
[18] NIDDKD, Liver Dis Branch, NIH, Dept Hlth & Human Serv, Bethesda, MD USA
[19] Univ Washington, Dept Lab Med, Div Virol, Seattle, WA 98195 USA
[20] New England Res Inst, Watertown, MA 02172 USA