Affiliation: | 1. Emergency Department and Department of Clinical Toxicology, St Thomas’ Hospital, , London, UK;2. Emergency Department, St Vincent's Hospital, , Melbourne, Victoria, Australia;3. The University of Melbourne, , Melbourne, Victoria, Australia;4. Emergency Department, Royal Darwin Hospital, , Darwin, Northern Territory, Australia;5. Department of Intensive Care, Western Hospital, , Melbourne, Victoria, Australia;6. Emergency Department, Modilon General Hospital, , Madang, Papua New Guinea;7. Emergency and Trauma Centre, The Alfred Hospital, , Melbourne, Victoria, Australia |