1. Aeromedical Retrieval Service New South Wales Ambulance Rozelle New South Wales Australia
2. South West Clinical School University of New South Wales Sydney New South Wales Australia
3. Emergency Department Liverpool Hospital Liverpool New South Wales Australia
4. St George Clinical School University of New South Wales Sydney New South Wales Australia
5. Department of Anesthesiology St George Hospital Sydney New South Wales Australia
6. Emergency Department Royal North Shore Hospital Sydney New South Wales Australia
7. Intensive Care Unit Liverpool Hospital Liverpool New South Wales Australia
8. Whitlam Orthopaedic Research Centre Liverpool New South Wales Australia