[1] Tan Tock Seng Hosp, Dept Clin Epidemiol, Off Clin Epidemiol Analyt & Knowledge, 11 Jalan Tan Tock Seng, Singapore 308433, Singapore
[2] Natl Ctr Infect Dis, Infect Dis Res & Training Off, Singapore, Singapore
[3] Singapore Gen Hosp, Dept Pharm, Singapore, Singapore
[4] Duke NUS Med Sch, Programme Emerging Infect Dis, Singapore, Singapore
[5] Natl Univ Singapore Hosp, Div Infect Dis, Singapore, Singapore
[6] Natl Univ Singapore, Yong Loo Lin Sch Med, Singapore, Singapore
[7] Tan Tock Seng Hosp, Dept Pharm, Singapore, Singapore
[8] Singapore Gen Hosp, Dept Infect Dis, Singapore, Singapore
[9] Tan Tock Seng Hosp, Dept Infect Dis, Singapore, Singapore
[10] Nanyang Technol Univ, Lee Kong Chian Sch Med, Singapore, Singapore
[11] James Cook Univ, Sch Social & Hlth Sci, Dept Psychol, Singapore Campus, Singapore, Singapore