[1] Natl Taiwan Univ Hosp, Dept Oncol, Taipei, Taiwan
[2] Natl Cheng Kung Univ Hosp, Dept Internal Med, Tainan, Taiwan
[3] Natl Canc Ctr, Dept Hepatobiliary & Pancreat Oncol, Tokyo, Japan
[4] Natl Canc Ctr Hosp East, Dept Hepatobiliary & Pancreat Oncol, Kashiwa, Chiba, Japan
[5] Kindai Univ, Dept Gastroenterol & Hepatol, Fac Med, Osaka, Japan
[6] Chugai Pharmaceut Co Ltd, Oncol Lifecycle Management Dept, Tokyo, Japan
[7] Chugai Pharmaceut Co Ltd, Translat Clin Res Sci & Strategy Dept, Tokyo, Japan