1. Department of Palliative Medicine, LMU Klinikum, Munich, Germany
2. Department of Palliative Medicine, Faculty of Medicine and University Hospital Cologne, Cologne, Germany
3. TUM School of Medicine, Institute of General Practice and Health Services Research, Technical University of Munich, Munich, Germany
4. Department of Palliative Medicine, CCC Erlangen – EMN, Universitätsklinikum Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), Erlangen, Germany
5. Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Department of Hematology, Oncology and Cancer Immunology, Oncological Palliative Care & Charité Comprehensive Cancer Center, Berlin, Germany