1. Clinic for Palliative Care, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Germany
2. Department of Anesthesiology and Pain Medicine, Inselspital, University of Bern, Bern, Switzerland
3. Department of Palliative Medicine, University Hospital Bonn, Germany
4. Department of Palliative Care, University Hospital Cologne, Cologne, Germany
5. Comprehensive Pain Centre, University Hospital Carl Gustav Carus Dresden, Dresden, Germany
6. Department for Anaesthesiology, Intensive Medicine, Pain/Palliative Care, GFO CURA Hospital, Bad Honnef, Germany
7. Institute for General Practice, Hannover Medical School, Hannover, Germany
8. Department of Palliative Medicine, University Medical Center Göttingen, Göttingen, Germany
9. Department of Guideline Development, German Cancer Society (DKG), Berlin, Germany
10. Department of Palliative Care, Jena University Hospital, Jena, Germany