1. NSW Poisons Information Centre, Children’s Hospital Westmead, Westmead, NSW, Australia;
2. Toxicology Unit, Prince of Wales Hospital, Sydney, NSW, Australia;
3. Emergency Department, Ipswich Hospital, Ipswich, QLD, Australia;
4. Toxicology Unit, Prince Alexandra Hospital, Woolloongabba, QLD, Australia;
5. Emergency Department, Queen Elizabeth II Hospital, Welwyn Garden, WA, Australia;
6. School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, Australia;
7. Therapeutics Research Centre, Diamantina Institute, University of Queensland, Translational Research Institute, Brisbane, Qld, Australia.;
8. Pharmacology, University of Sydney, Sydney, NSW, Australia;
9. Clinical Toxicology Research Group, University of Newcastle, Newcastle, NSW, Australia