1. Department of Pediatric Medicine KK Women's and Children's Hospital Singapore
2. Infectious Disease Service, Department of Pediatric Medicine KK Women's and Children's Hospital Singapore
3. Yong Loo Lin School of Medicine National University of Singapore Singapore
4. Duke‐National University of Singapore Medical School Singapore
5. Lee Kong Chian School of Medicine, Imperial College London Nanyang Technological University Singapore
6. Department of Pathology and Laboratory Medicine KK Women's and Children's Hospital Singapore
7. Department of Pharmacy KK Women's and Children's Hospital Singapore
8. Department of Otolaryngology KK Women's and Children's Hospital Singapore
9. Department of Pathology National University Hospital Singapore