1. Department of General Practice and Family Medicine; University Hospital Bonn; Germany
2. Department of Palliative Medicine; University Hospital Bonn; Germany
3. Center for Rare Diseases Bonn (ZSEB); University Hospital Bonn; Germany
4. Department of Psychosomatic Medicine and Psychotherapy; University Hospital Bonn; Germany
5. Centre for Palliative Care; Malteser Hospital Bonn/Rhein-Sieg; Germany
6. Department of Radiology; Medical School & Hospital; University Hospital Bonn; Germany
7. Department of Palliative Medicine; Medical Faculty RWTH Aachen University; Germany