1. Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health Medical Faculty Mannheim, Heidelberg University Mannheim Germany
2. Feuerlein Center on Translational Addiction Medicine (FCTS) University of Heidelberg Heidelberg Germany
3. Department of Biostatistics, Central Institute of Mental Health Medical Faculty Mannheim, Heidelberg University Mannheim Germany
4. Institute of Psychopharmacology, Central Institute of Mental Health Medical Faculty Mannheim, Heidelberg University Mannheim Germany