Swinburne University of Technology - Centre for Mental Health, Swinburne University of Technology - Centre for Mental Health, University of British Columbia (UBC) - Department of Psychiatry, Lancaster University - Spectrum Centre for Mental Health Research, University of British Columbia (UBC) - Department of Psychiatry, Deakin University - Deakin Biostatistics Unit, Swinburne University of Technology - Centre for Mental Health, Swinburne University of Technology - Centre for Mental Health, Western Sydney University - School of Psychology, University of California, Berkeley, University of Melbourne - Orygen, The National Centre of Excellence in Youth Mental Health, Deakin University, IMPACT – The Institute for Mental and Physical Health and Clinical Translation, University of Melbourne - Department of Psychiatry, Flinders University - Órama Institute for Mental Health & Wellbeing and Deakin University, IMPACT – The Institute for Mental and Physical Health and Clinical Translation