1. Saw Swee Hock School of Public Health
2. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Department of Cardiology, Khoo Teck Hospital, Yishun Central, Singapore
4. Division of Cancer Control and Population Sciences, University of Pittsburgh Cancer Institute
5. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA