1. Department of Emergency Medicine & Clinical Toxicology Prince of Wales Hospital Randwick NSW Australia
2. Clinical Pharmacology & Toxicology Unit Calvary Mater Newcastle Hospital Waratah NSW Australia
3. New South Wales Poisons Information Centre Children's Hospital at Westmead Westmead NSW Australia
4. Clinical Toxicology Unit Princess Alexandra Hospital Woolloongabba QLD Australia
5. Medicine and Health University of New South Wales Kensington NSW Australia