1 SingVaSC, Singapore Vascular Surgical Collaborative, Singapore; Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
2 SingVaSC, Singapore Vascular Surgical Collaborative, Singapore; General Surgery and Renal Transplant, London Deanery, Royal London Hospital, London, United Kingdom.
3 SingVaSC, Singapore Vascular Surgical Collaborative, Singapore; Stem Cell Transplantation and Haemato-Oncology, Institute of Translational Medicine, University of Liverpool, Liverpool, United Kingdom; Stem Cell Transplantation and Haemato-Oncology, Royal Liverpool University Hospital, Clatterbridge Cancer Centre NHS Foundation Trust, Liverpool, United Kingdom.
4 SingVaSC, Singapore Vascular Surgical Collaborative, Singapore; Cardiovascular Research Institute, National University of Singapore, Singapore; Division of Vascular Surgery, National University Heart Centre, Singapore; Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.