1. Austin Health, Victorian Poisons Information Centre, Austin Hospital, Heidelberg, Victoria, Australia
2. Austin Health, Emergency Department, Austin Hospital, Heidelberg, Victoria, Australia
3. Melbourne Medical School, Department of Critical Care, The University of Melbourne, Parkville, Victoria, Australia
4. Department of Forensic Medicine, Monash University, Southbank, Victoria, Australia
5. Bendigo Health, Emergency Department, Bendigo Hospital, Bendigo, Victoria, Australia
6. Toxicology Department, Victorian Institute of Forensic Medicine, Southbank, Victoria, Australia
7. Monash Addiction Research Centre, Monash University, Frankston, Victoria, Australia