1. Department of Health and Social Sciences, Western Norway University of Applied Sciences, Bergen, Norway;
2. Department of Urology, Haukeland University Hospital, Bergen, Norway;
3. Faculty of Health, VID Specialized University, Bergen, Norway;
4. Regional Advisory Unit in Palliative Care, Dept. of Oncology, Oslo University Hospital, Oslo, Norway;
5. European Palliative Care Research Centre (PRC), Dept. of Oncology, Oslo University Hospital, and Institute of Clinical Medicine, University of Oslo, Oslo, Norway;
6. Department of Otolaryngology/Head and Neck Surgery, Haukeland University Hospital, Bergen, Norway
7. Department of Clinical Medicine, University of Bergen, Bergen, Norway;