National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Saw Swee Hock School of Public Health, National University of Singapore (NUS) - Biostatistics & Modelling Domain, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, National University of Singapore (NUS) - Yong Loo Lin School of Medicine, Sengkang General Hospital, University of Melbourne - Department of Surgery, Hampshire Hospitals NHS Foundation Trust and National University of Singapore (NUS) - Yong Loo Lin School of Medicine