1. Department of Medical Psychology Center for Psychosocial Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
2. Member of the Participatory Research Team Hamburg Germany
3. Department of Psychosomatic Medicine and Psychotherapy Center for Internal Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
4. Department of Primary Medical Care Center for Psychosocial Medicine University Medical Center Hamburg‐Eppendorf Hamburg Germany
5. Department for Health Services Research Faculty of Medicine and Health Sciences Carl von Ossietzky University Oldenburg Oldenburg Germany