1. Department of Psychiatry and Psychotherapy Central Institute of Mental Health Medical Faculty Mannheim Heidelberg University Mannheim Germany
2. Department of General Psychiatry Center for Psychosocial Medicine Heidelberg University Heidelberg Germany
3. Department of Neurosciences Padua Neuroscience Center University of Padova Padua Italy
4. Department of Addictive Behavior and Addiction Medicine Central Institute of Mental Health Medical Faculty Mannheim Heidelberg University Mannheim Germany
5. University of Cologne Faculty of Medicine and University Hospital Cologne Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy Cologne Germany