1. Children’s Emergency Department, Starship Children’s Hospital, Auckland, New Zealand
2. Emergency Research, Murdoch Children’s Research Institute, Victoria, Australia
3. Department of Pediatrics, University of Melbourne, Victoria, Australia
4. Emergency Department, Perth Children’s Hospital, Western Australia, Australia
5. Curtin University, Bentley, Western Australia, Australia
6. Pediatric Emergency Medicine, University of Melbourne, Victoria, Australia
7. The Royal Children’s Hospital Melbourne, Victoria, Australia
8. Faculty of Health and Medical Sciences (Pediatrics and Emergency Medicine), The University of Western Australia, Western Australia
9. Armidale Rural Referral Hospital, New South Wales, Australia
10. School of Rural Medicine, University of New England, New South Wales, Australia
11. Clinical Epidemiology and Biostatistics, Melbourne Children's Trials Center, Murdoch Children’s Research Institute, Victoria, Australia
12. Center for Nursing and Health Research, Massey University, Auckland, Auckland, New Zealand
13. Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada
14. University of Melbourne, Victoria, Australia
15. Departments of Surgery and Pediatrics, Child and Youth Health, The University of Auckland, Auckland, New Zealand