Published on in Vol 6, No 3 (2021): Jul-Sep
1 Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
2 NOVI Health, Singapore, Singapore
3 Singapore Armed Forces, Singapore, Singapore
4 Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore, Singapore
5 Regional Health System Office, National University Health System, Singapore, Singapore
*these authors contributed equally