Affiliations

• ¹ Center for Interdisciplinary Addiction Research, Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Department of Psychiatry, Medical Faculty, University of Leipzig, Leipzig, Germany. Electronic address: j.manthey@uke.de.
• ² Center for Interdisciplinary Addiction Research, Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany; Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, ON, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; WHO/Pan American Health Organization Collaborating Centre, Centre for Addiction and Mental Health, Toronto, ON, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada.
• ³ Institute for Mental Health Policy Research, Centre for Addiction and Mental Health, Toronto, ON, Canada; Faculty of Medicine, Institute of Medical Science, University of Toronto, Toronto, ON, Canada; Department of Psychiatry, University of Toronto, Toronto, ON, Canada; Institute of Clinical Psychology and Psychotherapy & Center of Clinical Epidemiology and Longitudinal Studies, Technische Universität Dresden, Dresden, Germany; Department of International Health Projects, Institute for Leadership and Health Management, I.M. Sechenov First Moscow State Medical University, Moscow, Russia; WHO Collaborating Centre and Program on Substance Abuse, Public Health Agency of Catalonia, Barcelona, Spain.