1. Central Institute of Mental Health; Medical Faculty Mannheim; University of Heidelberg; Germany
2. University Hospital for Psychiatry & Psychotherapy; University of Tuebingen; Germany
3. Department of Psychiatry & Psychotherapy; University of Fribourg; Germany
4. Department of Psychiatry & Psychotherapy; University of Regensburg; Germany
5. Department of Psychiatry & Psychotherapy; University of Berlin, Charité; Germany
6. Department of Psychiatry & Psychotherapy; Technische Universität Dresden; Germany
7. Center for Drug & Alcohol Programs; Medical University of South Carolina; Charleston SC USA