1. Department of Clinical Epidemiology, Office of Clinical Epidemiology, Analytics, and Knowledge, Tan Tock Seng Hospital, Singapore
2. Infectious Disease Research and Training Office, National Centre for Infectious Diseases, Singapore
3. Saw Swee Hock School of Public Health, National University of Singapore, Singapore
4. Department of Laboratory Medicine, Changi General Hospital, Singapore
5. Clinical Trials and Research Unit, Changi General Hospital, Singapore
6. SingHealth Polyclinics, Singapore
7. SingHealth-Duke NUS Family Medicine Academic Clinical Programme, Duke-NUS Medical School, Singapore