1. Viva‐University Children's Cancer Centre, Khoo Teck Puat‐National University Children's Medical Institute, National University Hospital National University Health System Singapore
2. Department of Paediatrics, Yong Loo Lin School of Medicine National University Singapore Singapore
3. Division of Critical Care, Khoo Teck Puat‐National University Children's Medical Institute National University Hospital Singapore
4. Yong Loo Lin School of Medicine National University of Singapore Singapore
5. Department of Paediatric Subspecialties Haematology/Oncology Service KK Women's and Children's Hospital Singapore
6. Biostatistics Unit, Yong Loo Lin School of Medicine National University Singapore Singapore