1. Institute of Psychiatric and Psychosomatic Psychotherapy Central Institute of Mental Health Mannheim Mannheim Germany
2. McLean Hospital Harvard Medical School Boston Massachusetts USA
3. School of Sciences University of Derby Derby UK
4. Clinical for Psychosomatic & Psychotherapy Schön Clinic Bad Bramstedt Bad Bramstedt Germany
5. Faculty of Health, Department of Psychology and Psychotherapy University Witten/Herdecke Witten Germany
6. Clinic for Psychiatry, Psychotherapy and Preventive Medecine LWL University Hospital, Ruhr University Bochum Bochum Germany
7. Department of Public Health and Health Education University of Education, Freiburg Freiburg im Breisgau Germany