[1] Jichi Med Univ, Dept Gastroenterol, Shimotsuke, Tochigi, Japan
[2] Japanese Soc Gastroenterol, Shimotsuke, Tochigi, Japan
[3] Univ Texas SW Med Ctr Dallas, Dallas, TX 75390 USA
[4] Univ Calif San Diego, Sch Med, San Diego, CA USA
[5] Univ Pittsburgh, Dept Pathol, Pittsburgh, PA USA
[6] Univ So Calif, Los Angeles, CA USA
[7] Southern Calif Res Ctr ALPD & Cirrhosis, Los Angeles, CA USA