[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] Duke Univ, Durham, NC USA
[5] Washington Univ, St Louis, MO USA
[6] Univ Florida, Gainesville, FL USA
[7] Mayo Clin, Rochester, MN USA
[8] Virginia Commonwealth Univ, Richmond, VA USA