[1] Univ Calif San Diego, NAFLD Res Ctr, La Jolla, CA 92093 USA
[2] Univ Calif San Diego, Dept Med, Div Gastroenterol, La Jolla, CA 92093 USA
[3] Inova Fairfax Hosp, Ctr Liver Dis, Falls Church, VA USA
[4] McGill Univ, Ctr Hlth, Dept Med, Montreal, PQ, Canada
[5] Linkoping Univ, Dept Med & Hlth Sci, Linkoping, Sweden
[6] Karolinska Inst, Karolinska Univ Hosp, Dept Gastroenterol & Hepatol, Stockholm, Sweden