1. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore
2. Department of Clinical Epidemiology, Office of Clinical Epidemiology, Analytics, and Knowledge (OCEAN), Tan Tock Seng Hospital, Singapore
3. Ang Mo Kio-Thye Hua Kwan Hospital, Singapore
4. Ren Ci Hospital, Singapore
5. Department of Infectious Disease, Tan Tock Seng Hospital, Singapore