1. Faculty of Health Sciences, University of Stavanger, Stavanger, Norway.
2. Municipal Palliative Care Team, Stavanger, Norway.
3. Palliative Care Centre, Haukeland University Hospital, Bergen, Norway.
4. Municipal Palliative Care Team, Bergen, Norway.
5. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway.
6. Regional Centre of Excellence for Palliative Care, Haukeland University Hospital, Bergen, Norway.
7. Department of Clinical Medicine K1, University of Bergen, Bergen, Norway.
8. Department of Thoracic Medicine, Haukeland University Hospital, Bergen, Norway.