1. Department of Psychology, Chemnitz University of Technology, 09120 Chemnitz, Germany
2. Department of Psychiatry and Psychotherapy, Carl Gustav Carus University Hospital, Technische Universität Dresden, 01069 Dresden, Germany
3. Department of Psychiatry and Psychotherapy, Elblandklinikum, 01445 Radebeul, Germany
4. Institute of Social Medicine, Epidemiology, and Health Economics, Charité-Universitätsmedizin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10117 Berlin, Germany
5. Department of Internal and Integrative Medicine, Immanuel Hospital Berlin, 14109 Berlin, Germany
6. Department of Psychiatry, Psychosomatics and Psychotherapy, Krankenhaus Spremberg, 03130 Spremberg, Germany