1 Ministry of Health Holdings, Singapore

2 Department of General Surgery, Sengkang General Hospital, Singapore

Funding/Support: None reported.

Financial Disclosure: None reported.

Earn continuing medical education (CME) credit online at cme.lww.com. This activity has been approved for AMA PRA category 1 credit.TM

Correspondence: Yue Zhao, M.R.C.S.Ed., Department of General Surgery, Sengkang General Hospital, 110 Sengkang E Way, Singapore 544886. E-mail: [email protected]