1. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, NUHS Tower Block Level 10, 119228, Singapore
2. Division of Neurology, University Medicine Cluster, National University Health System, 1E Kent Ridge Road, NUHS Tower Block Level 10, 119228, Singapore
3. Department of Cardiology, National University Heart Centre, Singapore, 5 Lower Kent Ridge Road, 119074, Singapore
4. Internal Medicine Residency, National University Health System, 1E Kent Ridge Road, NUHS Tower Block Level 10, 119228, Singapore
5. Academic Foundation Programme, North Middlesex University Hospital NHS Trust, Sterling Way, London, N18 1QX, UK