1 School of Health in Social Sciences, University of Edinburgh, UK.
2 Orygen, Centre for Youth Mental Health, University of Melbourne, VIC, Australia.
3 School of Educational Psychology and Counselling, Monash University, Melbourne, VIC, Australia.
4 Department of Psychological Medicine, University of Otago, New Zealand.
5 113 Suicide Prevention, Amsterdam, The Netherlands.
6 Department of Psychology, Gwynedd Mercy University, PA, USA.
7 National Suicide Research Foundation, WHO Collaborating Centre for Surveillance and Research in Suicide Prevention, University College Cork, Ireland.
8 The Oxford Institute of Clinical Psychology Training and Research, University of Oxford, UK.
9 Institute for Mental Health, University of Nottingham, UK.