Affiliation: | 1. Dermatology Service, KK Women's and Children's Hospital, Singapore;2. Infectious Disease Service, Department of Pediatrics, KK Women's and Children's Hospital, Singapore;3. Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore;4. Duke–NUS Graduate Medical School , Singapore;5. Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore |