[1] Vet Affairs Puget Sound Hlth Care Syst, Div Gastroenterol, Res Enhancement Award Program, Seattle, WA 98108 USA
[2] Univ Washington, Div Gastroenterol, Seattle, WA 98195 USA
[3] Austrailian Natl Univ, Canberra Hosp, Sch Med, Liver Res Grp, Garran, ACT, Australia
[4] Univ Washington, Div Metab Endocrinol & Nutr, Seattle, WA 98195 USA
[5] Univ Washington, Diabet Obes Ctr Excellence, Seattle, WA 98195 USA
[6] Univ Washington, Dept Pathol, Seattle, WA 98195 USA
[7] Vet Affairs Puget Sound Hlth Care Syst, Geriatr Res Educ & Clin Ctr, Seattle, WA 98108 USA