1. Emergency Department, Royal Children’s Hospital, Melbourne;
2. Department of Paediatrics, Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne;
3. Clinical Sciences, Murdoch Children’s Research Institute, Melbourne;
4. Emergency Department, Perth Children’s Hospital, Perth, Australia; and
5. School of Medicine, Divisions of Emergency Medicine and Paediatrics, University of Western Australia, Perth, Australia
6. Emergency Department, Women’s & Children’s Hospital, Adelaide, Australia;
7. Faculty of Health & Life Sciences, University of the West of England, Bristol, United Kingdom;
8. Emergency Department, Queensland Children’s Hospital, Brisbane;
9. Child Health Research Centre, Faculty of Medicine, The University of Queensland, Brisbane;
10. Emergency Department, The Children’s Hospital at Westmead, Sydney;
11. Emergency Department, Monash Medical Centre, Melbourne, Australia;
12. Emergency Department, The Townsville Hospital, Townsville, Queensland;
13. School of Medicine, Faculty of Health, Deakin University, Geelong, Australia;
14. Emergency Department, Kidzfirst Middlemore Hospital, Auckland, New Zealand;
15. Department of Women’s and Children’s Health, University of Padova, Padova, Italy;
16. Department of Neurosurgery, Austin and Cabrini Hospitals, Melbourne;
17. School of Psychological Sciences, University of Melbourne, Melbourne;
18. Psychology Service, Royal Children’s Hospital, Melbourne;
19. Emergency Department, Starship Children’s Health, Auckland;
20. Departments of Surgery and Paediatrics: Child and Youth Health, University of Auckland, Auckland, New Zealand;