1. Department of Psychiatry & Psychotherapy, University Medical Center Mainz, Mainz, Germany
2. Department of Psychiatry, Clinic for Psychiatry, Giessen, Germany
3. Department of Psychiatry & Psychotherapy, University Med. Center of Bonn, Bonn, Germany
4. Department of Psychiatry and Psychotherapy, University of Bonn, Bonn, Germany
5. Department of Psychiatry & Psychotherapy, Inn Salzach Klinikum, Wasserburg, Germany
6. Department of Psychiatry, Inn-Salzach Hospital, Wasserburg, Germany