1. Department of Psychiatry; Schlosspark-Hospital; Berlin Germany
2. Department of Psychiatry and Psychotherapy; Charité - Universitätsmedizin Berlin; Berlin Germany
3. Psychologische Hochschule Berlin; Berlin Germany
4. Philipps-University of Marburg; Marburg Germany
5. Department of Psychiatry and Psychotherapy; University Hospital Carl Gustav Carus; Technical University Dresden; Dresden Germany
6. Fresenius University of Applied Sciences; Berlin Germany