1. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
2. Division of Neurology, Department of Medicine, National University Hospital, Singapore, Singapore
3. Division of Endocrinology, Department of Medicine, National University Hospital, Singapore, Singapore
4. Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
5. Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
6. Division of Infectious Diseases, Department of Medicine, National University Hospital, Singapore, Singapore
7. Infectious Diseases Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
8. Healthy Longevity Translational Research Program, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore