1. School of Medicine The University of Auckland Auckland New Zealand
2. School of Clinical Sciences Monash University Melbourne Victoria Australia
3. Department of Surgery, Faculty of Medical and Health Sciences The University of Auckland Auckland New Zealand
4. Emergency Department The Townsville Hospital Townsville Queensland Australia
5. Central Australian Retrieval Service Alice Springs Hospital Alice Springs Northern Territory Australia
6. Emergency Department Royal Adelaide Hospital Adelaide South Australia Australia
7. Emergency and Trauma Centre Alfred Hospital Melbourne Victoria Australia
8. Emergency Department Sir Charles Gardner Hospital Perth Western Australia Australia