1. Department of Medical Oncology, Erasmus MC Rotterdam, The Netherlands.
2. Department of Public Health, Erasmus MC Rotterdam, The Netherlands.
3. Department of Palliative Medicine, University Hospital Cologne, Germany.
4. Centre of Palliative Care, Cantonal Hospital of St. Gallen, Switzerland.
5. Regional Palliative Care Network, National Cancer Research Institute, Genoa, Italy.
6. Sophiahemmet, University College, Stockholm, Sweden.
7. Department of Learning, Informatics, Management and Ethics, Medical Management Center, Karolinska Institutet, Stockholm, Sweden.
8. Stockholms Sjukhem Foundation's Research and Development Unit in Palliative Care, Stockolm, Sweden.
9. Department of Nursing, University of Umeå, Sweden.
10. Department of Medical Psychology, University of Medicine and Pharmacy “Carol Davila,” Bucharest, Romania.
11. Marie Curie Palliative Care Institute, University of Liverpool, United Kingdom.
12. Division of Palliative Medicine, University Hospital Erlangen, Germany.