1. Medical University Brandenburg Theodor Fontane, Neuruppin, Germany
2. Department of Psychiatry and Psychotherapy, Psychiatric University Clinic at St. Hedwig Hospital, Berlin, Germany
3. Department of Psychiatry, Psychotherapy and Psychosomatic Medicine with Early Intervention and Recognition Center (FRITZ), Vivantes Klinikum Am Urban, Berlin, Germany
4. Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Vivantes Klinikum im Friedrichshain, Berlin, Germany
5. Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, Vivantes Klinikum Neukölln, Berlin, Germany
6. Department of Psychiatry and Psychotherapy, University of Leipzig Medical Center, Leipzig, Germany