1. School of Medicine and Public Health University of Newcastle University Dr, Callaghan Newcastle New South Wales 2308 Australia
2. Department of Emergency Medicine Calvary Mater Newcastle Edith St Waratah New South Wales 2298 Australia
3. Department of Clinical Toxicology Prince of Wales Hospital Randwick New South Wales 2031 Australia
4. New South Wales Poisons Information Centre Sydney Children's Hospital Sydney New South Wales 2298 Australia
5. Faculty of Medicine The University of New South Wales Sydney New South Wales 2052 Australia