1. Research Unit, Department of Palliative Medicine, Bispebjerg Hospital, University of Copenhagen, Copenhagen, NV , Denmark;
2. National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark;
3. The Palliative Team, Department of Oncology, Aarhus University Hospital, Aarhus, Denmark;
4. Department of Oncology, Aarhus University Hospital, Aarhus, Denmark;
5. Section of Palliative Medicine, Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark;
6. The Palliative Care Team Funen, Department of Oncology, Odense University Hospital, Odense, Denmark;
7. Department of Public Health, University of Copenhagen, Copenhagen, Denmark