[1] Osaka City Univ, Grad Sch Med, Hepatol, Osaka, Japan
[2] Natl Hosp Org, Nagasaki Med Ctr, Clin Res Ctr, Omura, Japan
[3] Osaka City Gen Hosp, Dept Hepatol, Osaka, Japan
[4] Natl Ctr Global Hlth & Med, Res Ctr Hepatitis & Immunol, Ichikawa, Japan
[5] Natl Ctr Global Hlth & Med, Genome Med Sci Project, Ichikawa, Japan
[6] Kagawa Univ, Fac Med, Dept Gastroenterol & Neurol, Takamatsu, Kagawa, Japan
[7] Hyogo Coll Med, Dept Internal Med, Div Hepatobiliary & Pancreat Dis, Nishinomiya, Hyogo, Japan