1. Emergency Department, Princess Alexandra Hospital, Brisbane, QLD.
2. Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, NSW.
3. Medical Professorial Unit, Prince of Wales Hospital Medical School, University of New South Wales, Sydney, NSW.
4. Emergency Department, Coffs Harbour Base Hospital, Coffs Harbour, NSW.
5. Emergency Department, Lismore Base Hospital, Lismore, NSW.
6. Emergency Department, Liverpool Hospital, Sydney, NSW.
7. Department of Anaesthetics, Emergency Medicine and Intensive Care, University of New South Wales, Sydney, NSW.
8. Centre for Clinical Research in Emergency Medicine, Western Australian Institute for Medical Research, Perth, WA.
9. Emergency Medicine, Royal Perth Hospital, University of Western Australia, Perth, WA.
10. Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW.