1. Malcolm Fisher Department of Intensive Care MedicineRoyal North Shore Hospital Sydney New South Wales Australia
2. Emergency Department, Gold Coast University Hospital, Gold Coast Queensland Australia
3. School of Medicine, Bond University, Gold Coast Queensland Australia
4. School of Medicine, Griffith University, Gold Coast Queensland Australia
5. Centre for Clinical Research in Emergency MedicineHarry Perkins Institute of Medical Research Perth Western Australia Australia
6. Emergency DepartmentRoyal Perth Hospital, The University of Western Australia Perth Western Australia Australia
7. Department of Intensive Care MedicineThe Queen Elizabeth Hospital Adelaide South Australia Australia
8. Australian and New Zealand Intensive Care Research Centre, School of Public Health and Preventive MedicineMonash University Melbourne Victoria Australia
9. School of Health and Medical SciencesUniversity of Adelaide Adelaide South Australia Australia
10. Department of Intensive Care and Hyperbaric MedicineThe Alfred Hospital Melbourne Victoria Australia
11. Northern Clinical School, Sydney Medical SchoolThe University of Sydney Sydney New South Wales Australia
12. Division of Critical Care, The George Institute for Global HealthThe University of New South Wales Sydney New South Wales Australia