1. Department of Paediatric MedicineKK Women's and Children's Hospital Singapore
2. Department of Child DevelopmentKK Women's and Children's Hospital Singapore
3. Duke‐NUS Graduate School of MedicineNational University of Singapore Singapore
4. Yong Loo Lin School of MedicineNational University of Singapore Singapore
5. Lee Kong Chian School of MedicineNational Technological University Singapore
6. Infectious Disease Service, Department of PaediatricsKK Women's and Children's Hospital Singapore