[1] Melbourne School of Population and Global Health, University of Melbourne, Centre for Mental Health, 207 Bouverie St, Parkville, 3010, VIC
[2] Mental Health First Aid Australia, Level 6, 369 Royal Parade, Parkville, 3052, VIC
[3] School of Health and Social Development, Deakin University, Centre for Population Health Research, Geelong, 3220, VIC
[4] Melbourne School of Population and Global Health, University of Melbourne, Centre for Health Equity, Level 207 Bouverie St, Parkville, 3010, VIC
[5] School of Psychology, Deakin University, 1 Gheringhap St, Geelong, 3220, VIC
[6] University of Tasmania, Tasmanian School of Business and Economics, Private Bag 84, Hobart, 7001, TAS