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