[1] MIRXES PTE LTD, Singapore, Singapore
[2] Natl Univ Singapore Hosp, Singapore, Singapore
[3] Natl Univ Singapore, Singapore, Singapore
[4] Natl Univ Hlth Syst, Singapore Div Gastroenterol & Hepatol, Singapore, Singapore
[5] Yonsei Univ, Coll Med, Seoul, South Korea
[6] Yonsei Univ, Coll Med, Yonsei Canc Ctr, Seoul, South Korea
[7] Tan Tock Seng Hosp, Singapore, Singapore
[8] Natl Univ Singapore Hosp, Dept Surg, Singapore, Singapore
[9] ASTAR, BTI, Singapore, Singapore
[10] Natl Univ Hlth Syst, Singapore, Singapore
[11] Natl Univ Canc Inst, Singapore, Singapore
[12] ASTAR, Singapore, Singapore
[13] Yong Loo Lin Sch Med, Dept Med, Singapore, Singapore