1. Centre for Youth Mental Health, University of Melbourne, Parkville, VIC, Australia; and
2. Orygen, Parkville, VIC, Australia
3. Centre for Youth Mental Health, University of Melbourne, Parkville, VIC, Australia
4. Orygen, Parkville, VIC, Australia; and
5. Department of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia
6. Headspace National Youth Mental Health Foundation Ltd, Melbourne, VIC, Australia
7. Headspace National Youth Mental Health Foundation Ltd, Melbourne, VIC, Australia; and
8. Faculty of Health, University of Canberra, Canberra, ACT, Australia