[1] Singapore Gen Hosp, Dept Vasc & Intervent Radiol, Singapore, Singapore
[2] Singapore Gen Hosp, Div Radiol Sci, Singapore, Singapore
[3] SingHealth Duke NUS Acad, Med Ctr, Radiol Sci Acad Clin Program, Singapore, Singapore
[4] Kings Coll London, Prof Emeritus Intervent Radiol, London, England