1. Department of Palliative Medicine, University Hospital Bonn, Bonn, Germany.
2. ATLANTES Global Palliative Care Observatory, Institute for Culture and Society, University of Navarra, Pamplona, Spain.
3. IdiSNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.
4. Department of Palliative Medicine, University Medicine Goettingen, Goettingen, Germany.
5. Department of Anaesthesiology, Pain and Palliative Medicine, Radboud University Medical Centre (Radboudumc), Nijmegen, the Netherlands.
6. Laboratory of Experimental Radiotherapy, UH & KU Leuven, Leuven, Belgium.
7. Department of Primary Health Care, Department of Hospice-Palliative Care, University of Pecs Medical School, Pecs, Hungary.
8. Main Regional Centre for Pain Relief and Palliative/Supportive Care, La Maddalena Cancer Centre, Palermo, Italy.
9. Medical Faculty, Transilvania University, Brasov, Brasov, Romania.
10. Education and National Development Department, Hospice Casa Sperantei, Brasov, Brasov, Romania.
11. International Observatory on End-of-Life Care, Faculty of Health and Medicine, Lancaster University, Lancaster, United Kingdom.