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University of Basel Psychiatric Clinics, Division of Addictive Disorders, Wilhelm Klein-Strasse 27, 4012 Basel, Switzerland
Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, 8001 Zürich, Switzerland
Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, 8001 Zürich, Switzerland
Center for Addictive Disorders, Department of Psychiatry, Psychotherapy and Psychosomatics, Psychiatric Hospital, University of Zurich, 8001 Zürich, Switzerland