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