1. Saw Swee Hock School of Public Health and Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore
2. Division of Endocrinology, National University Hospital, Singapore
3. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore
4. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA