1. Simpson Centre for Health Services Research, South Western Sydney Clinical SchoolThe University of New South Wales Sydney New South Wales Australia
2. Ingham Institute for Applied Medical Research Sydney New South Wales Australia
3. Psychiatry Research and Teaching UnitSouth Western Sydney Local Health District Sydney New South Wales Australia
4. School of PsychiatryFaculty of Medicine, The University of New South Wales Sydney New South Wales Australia
5. School of Public Health and Social WorkQueensland University of Technology Brisbane Queensland Australia
6. Prince of Wales Clinical SchoolThe University of New South Wales Sydney New South Wales Australia
7. Emergency Care InstituteAgency for Clinical Innovation Sydney New South Wales Australia
8. School of Nursing and MidwiferyEdith Cowan University Perth Western Australia Australia
9. Centre for Clinical Research in Emergency MedicineHarry Perkins Institute of Medical Research Perth Western Australia Australia
10. Emergency DepartmentRoyal Perth Hospital Perth Western Australia Australia
11. Division of Emergency MedicineFaculty of Health and Medical Sciences, The University of Western Australia Perth Western Australia Australia
12. Emergency DepartmentSir Charles Gairdner Hospital Perth Western Australia Australia