1. Australian Institute of Health Innovation, Macquarie University, Sydney 2109, Australia
2. Children’s Hospital Institute of Sports Medicine, The Children’s Hospital at Westmead, Sydney 2145, Australia
3. Discipline of Exercise and Sport Science, Faculty of Medicine and Health, The University of Sydney, Sydney 2006, Australia
4. Discipline of Child and Adolescent Health, Sydney Medical School, The University of Sydney, Sydney 2006, Australia
5. Emergency Department, The Children’s Hospital at Westmead, Sydney 2145, Australia