1. Center for Clinical Research and Prevention, Bispebjerg and Frederiksberg Hospital , Copenhagen, Denmark
2. Palliative Care Unit , Copenhagen University Hospital - Hvidovre, Denmark
3. Data and Development Support, Region Zealand , Sorø, Denmark
4. DEFACTUM - Social & Health Services and Labour Market , Aarhus, Denmark
5. Department of Public Health, Aarhus University , Aarhus, Denmark
6. Centre for Innovative Medical Technology, Odense University Hospital , Odense, Denmark
7. Clinical Nursing Research Unit, Aalborg University Hospital , Aalborg, Denmark
8. Department of Clinical Medicine, Aalborg University , Aalborg, Denmark