1. Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
2. Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Department of Statistics and Applied Probability, National University of Singapore, Singapore
4. Department of Nutrition and Dietetics, Yishun Community Hospital, Singapore
5. Department of Dietetics, National University Hospital, Singapore
6. Duke-NUS Medical School, Singapore