1. Department for Palliative Medicine, RWTH Aachen University, Aachen, Germany
2. Department of Palliative Medicine, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
3. Comprehensive Cancer Center (CCC) Erlangen—EMN, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
4. Department of Medical Humanities, EMGO Institute for Health and Care Research, VU University Medical Center, Amsterdam, The Netherlands
5. Department for Palliative Medicine, University Hospital Cologne, Cologne, Germany
6. Department for Palliative Medicine, University Hospital Göttingen, Göttingen, Germany
7. Department of Palliative Medicine, University Hospital Bonn, Bonn, Germany
8. Centre for Palliative Care, Malteser Hospital Seliger Gerhard Bonn/Rhein-Sieg, Bonn, Germany