1. Department of Clinical Toxicology, Prince of Wales Hospital, Randwick, NSW, Australia
2. Faculty of Medicine, The University of New South Wales, Sydney, New South Wales, Australia
3. New South Wales Poisons Information Centre, Sydney Children’s Hospital, Sydney, New South Wales, Australia
4. Clinical Toxicology Research Group, University of Newcastle, Callaghan, NSW, Australia
5. Department of Clinical Toxicology, Calvary Mater Newcastle, Waratah, NSW, Australia