[1] Vet Affairs Puget Sound Healthcare Syst, Dept Med, Div Gastroenterol, Seattle, WA USA
[2] Univ Washington, Seattle, WA 98195 USA
[3] Vet Affairs Puget Sound Healthcare Syst, Res & Dev, Seattle, WA USA
[4] Vet Affairs Puget Sound Healthcare Syst, Dept Med, Div Gen Internal Med, Seattle, WA USA
[5] UT Southwestern Med Ctr, Div Digest & Liver Dis, Dallas, TX USA
[6] VA Ann Arbor Healthcare Syst, Div Gastroenterol & Hepatol, Ann Arbor, MI USA
[7] Univ Michigan, Ann Arbor, MI 48109 USA
[8] Virginia Commonwealth Univ, Dept Med, Div Gastroenterol, Med Coll Virginia Campus, Richmond, VA 23298 USA
[9] Univ Toronto, Univ Hlth Network, Toronto Ctr Liver Dis, Sandra Rotman Ctr Global Hlth, Toronto, ON, Canada
[10] Corporal Michael J Crescenz Vet Affairs Med Ctr, Div Gastroenterol, Dept Med, Philadelphia, PA USA
[11] Perelman Univ Penn, Sch Med, Philadelphia, PA USA
[12] Yale Sch Med, Sect Digest Dis, New Haven, CT USA
[13] VA Connecticut Healthcare Syst, West Haven, CT USA