[1] Univ Calif San Diego, NAFLD Res Ctr, La Jolla, CA 92093 USA
[2] Univ Lyon 1, Hosp Civils Lyon, Villeurbanne, France
[3] Univ Calif San Diego, Radiol, San Diego, CA 92103 USA
[4] J Craig Venter Inst, Human Biol, Rockville, MD USA
[5] Univ Calif San Diego, Med, Gastroenterol, San Diego, CA 92103 USA
[6] Univ Calif San Diego, Div Gastroenterol, Dept Med, San Diego, CA 92103 USA