1. Department of Psychosomatic Medicine and Psychotherapy, University Hospital of Bonn, Bonn, Germany.
2. Department of Palliative Medicine, University Hospital of Bonn, Bonn, 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. Centre for Palliative Care, Malteser Hospital Bonn/Rhein-Sieg, Bonn, Germany.