1. Yong Loo Lin School of Medicine, National University of Singapore; Singapore Singapore
2. Newcastle University Medicine Malaysia (NUMed Malaysia); Johor Malaysia
3. Cardiovascular Research Institute, National University of Singapore; Singapore Singapore
4. Cochrane Singapore; Singapore Singapore 138669
5. SingVaSC, Singapore Vascular Surgical Collaborative; Singapore Singapore
6. Yong Loo Lin School of Medicine, National University of Singapore; Department of Surgery; Singapore Singapore
7. National University Heart Centre; Division of Vascular Surgery; Singapore Singapore
8. NUS Yong Loo Lin School of Medicine; Research Support Unit; NUHS Tower Block, Level 11 1E Kent Ridge Road Singapore Singapore 119228