[1] Indiana Univ Sch Med, Div Gastroenterol & Hepatol, Indianapolis, IN 46202 USA
[2] Inova Fairfax Hosp, Ctr Liver Dis, Falls Church, VA USA
[3] Inova Fairfax Hosp, Dept Med, Falls Church, VA USA
[4] Columbia Univ, New York, NY USA
[5] Duke Univ, Durham, NC USA
[6] Washington Univ, St Louis, MO USA
[7] Univ Florida, Gainesville, FL USA
[8] Mayo Clin, Rochester, MN USA
[9] Virginia Commonwealth Univ, Richmond, VA USA