1. Department of Psychosomatic Medicine and Psychotherapy, University Hospital Tübingen, Tübingen, Germany
2. Alice Salomon University Berlin, University of Applied Science, Berlin, Germany
3. Department of Psychosomatic Medicine and Psychotherapy, Hospital Havelhöhe, Berlin, Germany
4. Harvard Humanitarian Initiative, Harvard University, Cambridge, Massachusetts
5. Department of Psychosomatic Medicine and Psychotherapy, University Hospital Magdeburg, Otto von Guericke University, Magdeburg, Germany