1. Emergency Department, Gold Coast Hospital, Gold Coast, QLD.
2. Centre for Clinical Research in Emergency Medicine, Western Australian Institute for Medical Research and Emergency Medicine, Royal Perth Hospital, University of Western Australia, Perth, WA.
3. Prince of Wales Hospital Medical School, University of New South Wales, Sydney, NSW.
4. Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, NSW.
5. Tropical and Emerging Infectious Diseases, Menzies School of Health Research, Charles Darwin University, Darwin, NT.
6. Department of Toxinology, Women's and Children's Hospital, Adelaide, SA.
7. Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW.