1. Division of Dermatology, Department of Medicine, National University Healthcare System, Singapore
2. Saw Swee Hock School of Public Health, National University of Singapore, Singapore
3. Biostatistics Unit, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
4. Dermatology, National Skin Centre, Singapore
5. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
6. Research Unit, Department of Medicine, National University Healthcare System, Singapore
7. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
8. Centre for Research in Health System Performance, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
9. Department of Family Medicine, National University Healthcare System, Singapore
10. Carey Business School, Johns Hopkins University, Baltimore, Maryland