1. Centre for Applied Research in Mental Health and Addictions (CARMHA); Faculty of Health Sciences; Simon Fraser University; Vancouver Canada
2. Social and Epidemiological Research Department; Centre for Addiction and Mental Health (CAMH); Toronto Canada
3. Department of Psychiatry; University of Toronto; Toronto Canada
4. VU University; Amsterdam The Netherlands
5. Institute of Clinical Psychology and Psychotherapy; Technische Universität; Dresden Germany
6. IFT Institut für Therapieforschung; München Germany
7. Centre for Interdisciplinary Addiction Research; University of Hamburg; Hamburg Germany
8. Dalla Lana School of Public Health; University of Toronto; Toronto Canada