1. National Advisory Unit on Late Effects after Cancer Treatment, Department of Oncology, Oslo University Hospital, Oslo, Norway;
2. Regional Centre for Excellence in Palliative Care, Department of Oncology, Oslo University Hospital and Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway;
3. Montebello-Center, The Norwegian Resource Center for Coping with Cancer, Mesnali, Norway;
4. Centre for Health Promotion and Resources, Department of Social Work and Health Science, NTNU, Trondheim and Research and Development Group, LHL Clinics, Oslo, Norway;
5. Department of Biostatistics and Epidemiology, Oslo University Hospital and Department of Health Management and Health Economics, University of Oslo, Oslo, Norway