[1] Singapore Gen Hosp, Acad, Dept Hepatopancreatobiliary & Transplant Surg, 20 Coll Rd, Singapore 169856, Singapore
[2] Natl Canc Ctr Singapore, Acad, 20 Coll Rd, Singapore 169856, Singapore
[3] Duke Natl Univ Singapore Med Sch, Singapore, Singapore
[4] SingHealth Duke Natl Univ Singapore Transplant Ctr, Liver Transplant Serv, Singapore, Singapore