1. Department of Education and Psychology, Division of Clinical Psychological Intervention, Freie Universität Berlin, Berlin, Germany
2. Department of Experimental Psychopathology, Institute for Psychology, University of Hildesheim, Hildesheim, Germany
3. Department for Clinical Psychology and Psychotherapy, Institute for Mental Health and Behavioral Medicine, HMU Health and Medical University, Potsdam, Germany
4. Division of Clinical Psychology and Psychotherapy, Freie Universität Berlin, Berlin, Germany