1. Emergency Department St Vincent's Hospital Melbourne Melbourne Victoria Australia
2. Department of Medicine The University of Melbourne Melbourne Victoria Australia
3. Ambulance Victoria Melbourne Victoria Australia
4. Department of Community Emergency Health and Paramedic Practice, Monash University Melbourne Victoria Australia
5. Behaviours and Health Risks Program Burnet Institute Melbourne Victoria Australia
6. National Drug Research Institute Curtin University Perth Western Australia Australia
7. Department of Public Health La Trobe University Melbourne Victoria Australia
8. Department of Addiction Medicine St Vincent's Hospital Melbourne Melbourne Victoria Australia
9. Department of Education and Learning St Vincent's Hospital Melbourne Melbourne Victoria Australia