1. Department of Palliative Medicine; University Hospital of Bonn; Bonn Germany
2. Department of Internal Medicine II; DRK-Hospital Neuwied; Neuwied Germany
3. Center for Rare Diseases Bonn (ZSEB); University Hospital of Bonn; Bonn Germany
4. Department of General Practice and Family Medicine; University Hospital of Bonn; Bonn Germany
5. Department of Radiology; University Hospital of Bonn; Bonn Germany
6. Department of Psychosomatic Medicine and Psychotherapy; University Hospital of Bonn; Bonn Germany
7. Department of Psychosomatic Medicine and Psychotherapy; Technische Universität München; Munich Germany
8. Centre for Palliative Care; Malteser Hospital Bonn/Rhein-Sieg; Bonn Germany