1. Discipline of Public Health and Tropical Medicine, College of Public Health, Medical and Veterinary Sciences James Cook University Townsville Queensland Australia
2. Prevention Division, Department of Health Aeromedical Retrieval and Disaster Management Branch Brisbane Queensland Australia
3. Department of Emergency Medicine The Townsville Hospital Townsville Queensland Australia
4. College of Medicine and Dentistry James Cook University Townsville Queensland Australia
5. Royal Flying Doctor Service Townsville RFDS Base Townsville Queensland Australia
6. SAAS MedSTAR Emergency Medical Retrieval Service South Australian Ambulance Service Adelaide South Australia Australia
7. Emergency Department Royal Adelaide Hospital Adelaide South Australia Australia
8. School of Public Health University of the Witwatersrand Johannesburg South Africa