Affiliation: | 1.Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, 1E Kent Ridge Road, Singapore, Singapore ;2.Department of Medicine, Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore ;3.Division of Neurology, Department of Medicine, National University Health System, Singapore, Singapore ;4.Academic Foundation Programme, North Middlesex University Hospital NHS Trust, London, UK ;5.Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore ; |