[1] CHA Univ, Sch Med, CHA Bundang Med Ctr, Dept Internal Med,Div Gastroenterol, Seongnam, South Korea
[2] Clin & Translat Hepatol Lab, Seongnam, South Korea
[3] Yonsei Univ, Coll Med, Dept Internal Med, 50-1 Yonsei Ro, Seoul 03722, South Korea
[4] Severance Hosp, Yonsei Liver Ctr, Seoul, South Korea
[5] Kyungpook Natl Univ Hosp, Dept Internal Med, Daegu, South Korea