1. Department of Surgery The University of Auckland Auckland New Zealand
2. Emergency Department Royal Adelaide Hospital Adelaide South Australia Australia
3. Emergency Department Cabrini Health Melbourne Victoria Australia
4. Central Australian Retrieval Service Alice Springs Hospital, Alice Springs Northern Territory Australia
5. Emergency Department The Townsville Hospital Townsville Queensland Australia
6. Emergency and Trauma Centre Alfred Hospital Melbourne Victoria Australia
7. Simpson Centre for Health Services Research South Western Sydney Clinical School, The University of New South Wales Sydney New South Wales Australia
8. Melbourne Victoria Australia
9. Emergency Department Sir Charles Gardner Hospital Perth Western Australia Australia