1. Department of Psychiatry and Psychotherapy, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen, Germany
2. Institute of Psychology, Otto-Friedrich-University, Bamberg, Germany
3. Department of Psychiatry and Psychotherapy, University Hospital Bonn, Bonn, Germany
4. Department of Psychiatry and Psychotherapy, Carl von Ossietzky University of Oldenburg, Bad Zwischenahn, Germany