1. School of Psychology, Faculty of Health, Deakin University, Geelong Waterfront Campus, Geelong, Victoria, Australia
2. Eastern Health Clinical School, Monash University, Box Hill, Victoria, Australia
3. Turning Point, Richmond, Victoria, Australia
4. Ambulance Victoria, Doncaster, Victoria, Australia
5. Department of Community Emergency Health and Paramedic Practice, Monash University, Frankston, Victoria, Australia
6. Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Victoria, Australia