1. Tropical Toxinology Unit, Menzies School of Health Research, Charles Darwin University, Darwin, NT.
2. Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, and University of Newcastle, Newcastle, NSW.
3. Discipline of Clinical Pharmacology and Toxicology, University of Newcastle, Newcastle, NSW.
4. Department of Clinical Pharmacology and Toxicology, Canberra Hospital, and Australian National University, Canberra, ACT.