1. Department Of Psychosomatic Medicine und Psychotherapy, Center for Mental Health, Faculty of Medicine, University of Freiburg, Freiburg, Germany
2. Institute for Psychosocial Prevention, Center for Psychosocial Medicine, University Hospital, Heidelberg, Germany
3. Department for Psychology, Psychotherapy and Psychoanalysis, Institute for Psychology, University of Klagenfurth, Klagenfurth, Austria
4. Department for Clinical Psychology and Psychotherapy, Institute of Psychology, University of Freiburg, Freiburg, Germany
5. Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tuebingen, Tuebingen, Germany
6. Department of General Internal Medicine and Psychosomatics, Center for Psychosocial Medicine, Heidelberg University Hospital, Heidelberg, Germany
7. Department of Psychosomatic Medicine and Psychotherapy, LVR Universityhospital Essen, University of Duisburg-Essen, Essen, Germany
8. Department of Psychosomatics and Psychotherapy, LWL-Hospital Muenster and University Hospital Muenster, Muenster, Germany
9. Department of Psychosomatic Medicine and Psychotherapy, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
10. Department of Psychosomatic Medicine and Psychotherapy, LWL-University Clinic, Ruhr-University Bochum, Bochum, Germany
11. Department for Psychosomatic Medicine and Psychotherapy, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
12. TH Köln, University of Applied Sciences, Köln, Germany
13. Department of Psychosomatic Medicine and Psychotherapy, Ulm University Medical Center, Ulm, Germany
14. Department of Psychosomatic Medicine and Psychotherapy, Hannover Medical School, Hannover, Germany