1 Centre for Mental Health, Melbourne School of Population and Global Health, The University of Melbourne, VIC, Australia.
2 Australian Institute for Suicide Research and Prevention, Griffith University, Mount Gravatt, QLD, Australia.
3 WHO Collaborating Centre for Research and Training in Suicide Prevention, School of Applied Psychology, Griffith University, Brisbane, QLD, Australia.
4 School of Health Sciences, The University of Melbourne, VIC, Australia.
5 Department of Health Services Research, Peter MacCallum Cancer Centre, Melbourne, VIC, Australia.
6 Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada.