1. Clinical Toxicology Unit Prince of Wales Hospital Randwick Australia
2. NSW Poisons Information Centre Sydney Children's Hospital Westmead New South Wales Australia
3. The University of Sydney, Discipline of Biomedical Informatics and Digital Health
4. Department of Emergency Medicine and the Department of Clinical Toxicology and Pharmacology Calvary Mater Newcastle, NSW, Australia; and Newcastle University, Newcastle, Australia New South Wales Australia
5. Pharmacology and Addiction Medicine, St Vincent's Hospital