1. Department of Clinical Psychology and Psychotherapy, Philipps-University of Marburg, Marburg, Germany
2. Schön-Klinik Roseneck, Psychosomatic Clinic, Prien am Chiemsee, Germany
3. Schön-Klinik Bad Arolsen, Psychosomatic Clinic, Bad Arolsen, Germany
4. Schön-Klinik Bad Bramstedt, Psychosomatic Clinic, Bad Bramstedt, Germany
5. Schön-Klinik Bad Staffelstein, Psychsomatic Clinic, Bad Staffelstein, Germany
6. Schön-Klinik Berchtesgadener Land, Psychosomatic Clinic, Schönau am Königssee, Germany