1. Yong Loo Lin School of Medicine, National University of Singapore, 10 Medical Drive, Singapore 117597
2. Department of Emergency Medicine, Singapore General Hospital, Outram Road, Singapore 169608
3. Medical Department, Singapore Civil Defence Force, 91 Ubi Avenue 4, Singapore 408827
4. Acute and Emergency Care Centre, Khoo Teck Puat Hospital, 90 Yishun Central, Singapore 768828
5. Emergency Medicine Department, National University Hospital, 5 Lower Kent Ridge Rd, Singapore 119074
6. Accident & Emergency Department, Changi General Hospital, 2 Simei Street 3, Singapore 529889
7. Emergency Department, Tan Tock Seng Hospital, 11 Jalan Tan Tock Seng, Singapore 308433
8. Office of Clinical Sciences, Duke-NUS Graduate Medical School, 8 College Road, Singapore 169857