1. National University Health System (NUHS) Centre for Healthy Ageing, Singapore
2. Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
3. Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
4. Health Services and Systems Research, Duke-NUS Medical School, Singapore
5. Division of Cancer Control and Population Sciences, UPMC Hillman Cancer Center, University of Pittsburgh, Pittsburgh, PA, USA
6. Department of Epidemiology, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA, USA
7. Department of Epidemiology and Biostatistics, MOE Key Lab of Environment and Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
8. Saw Swee Hock School of Public Health, National University of Singapore, Singapore