Carsten Nieder1, Jan Norum2. 1. Department of Oncology and Palliative Medicine, Nordland Hospital, P.O. Box 1480, 8092 Bodø, Norway. carsten.nieder@nlsh.no. 2. Institute of Clinical Medicine, Faculty of Health Sciences, University of Tromsø, Tromsø, Norway; Norway Regional Health Authority, Bodø, Norway.