1. Emergency Department, Queensland Children's Hospital Brisbane Queensland Australia
2. Child Health Research CentreThe University of Queensland Brisbane Queensland Australia
3. Emergency Department, Starship Children's Health Auckland New Zealand
4. Liggins InstituteThe University of Auckland Auckland New Zealand
5. Emergency Department, Perth Children's Hospital Perth Western Australia Australia
6. Divisions of Paediatrics and Emergency Medicine, School of MedicineThe University of Western Australia Perth Western Australia Australia
7. Emergency Department, The Children's Hospital at Westmead Sydney New South Wales Australia
8. Emergency Research Unit, Murdoch Children's Research Institute Melbourne Victoria Australia
9. Emergency Department, Bristol Royal Hospital for Children Bristol UK
10. Academic Department of Emergency CareUniversity of the West of England Bristol UK
11. Department of Women's and Children's HealthUniversity of Padova Padova Italy
12. Emergency Department, The Royal Children's Hospital Melbourne Victoria Australia
13. Department of Paediatrics, Faculty of Medicine, Dentistry and Health SciencesThe University of Melbourne Melbourne Victoria Australia
14. Emergency Department, Women's and Children's Hospital Adelaide South Australia Australia
15. Emergency Department, The Townsville Hospital Townsville Queensland Australia
16. Emergency Department, Kidz First Children's Hospital Auckland New Zealand