1. Department of Oncology and Palliative Medicine, Nordland Hospital Trust, Bodø, Norway;
2. Department of Community Medicine, University of Tromsø, Tromsø, Norway;
3. Centre for Quality, Region of Southern Denmark, Middelfart, Denmark;
4. Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark;
5. Department of Clinical Medicine, University of Tromsø, Tromsø, Norway;
6. Centre for Clinical Documentation and Evaluation, Northern Norway Regional Health Authority, Tromsø, Norway