1 Department of Pharmacy, Singapore General Hospital, Outram Road, Singapore, Singapore.
2 Department of Pharmacy, Singapore General Hospital, Outram Road, Singapore, Singapore; Singhealth Duke-NUS Medicine Academic Clinical Programme, Singapore, Singapore; Singhealth Duke-NUS Pathology Academic Clinical Programme, Singapore, Singapore.
3 Emerging Infectious Diseases, Duke-National University of Singapore Medical School, Singapore, Singapore.
4 Department of Infectious Diseases, Singapore General Hospital, Singapore, Singapore.
5 Department of Pharmacy, Singapore General Hospital, Outram Road, Singapore, Singapore; Emerging Infectious Diseases, Duke-National University of Singapore Medical School, Singapore, Singapore; Singhealth Duke-NUS Medicine Academic Clinical Programme, Singapore, Singapore. Electronic address: andrea.kwa.l.h@sgh.com.sg.