1. Department of Psychology; Norwegian University of Science and Technology; Trondheim Norway
2. National Competence Centre for Complex Symptom Disorders; St. Olav's Hospital; University Hospital of Trondheim; Norway
3. Department of Circulation and Medical Imaging; NTNU - Norwegian University of Science and Technology; Trondheim Norway
4. Department of Research; St. Olav's Hospital; University Hospital of Trondheim; Norway
5. Department of Public Health and Nursing; NTNU - Norwegian University of Science and Technology; Trondheim Norway
6. Department of Oncology; Oslo University Hospital; Norway
7. Department of Clinical Medicine; Faculty of Medicine; University of Oslo; Norway
8. Department of Cancer Research and Molecular Medicine; Norwegian University of Science and Technology; Trondheim Norway