1. IFT Institut für Therapieforschung, München, Deutschland
2. Department of Public Health Sciences, Centre for Social Research on Alcohol and Drugs, Stockholm University, Sweden
3. Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
4. Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, Canada
5. Zentrum für Interdisziplinäre Suchtforschung (ZIS), Universitätsklinikum Hamburg-Eppendorf, Deutschland
6. Klinik und Poliklinik für Psychiatrie und Psychotherapie, Universitätsklinikum Leipzig, Deutschland
7. Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health (CAMH), Toronto, Canada
8. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Canada
9. Department of Psychiatry, University of Toronto, Canada