1. Department of Psychiatry and Psychotherapy, University of Cologne Medical School, Cologne, Germany
2. Charité University Medicine, St Hedwig-Krankenhaus, Clinic for Psychiatry and Psychotherapy, Berlin, Germany
3. These authors contributed equally
4. Department of Psychiatry, Schlosspark-Hospital, Berlin, Germany
5. Department of Psychiatry and Psychotherapy, University Hospital of Dresden, Dresden, Germany