1. Department of Clinical and Molecular Medicine, Faculty of MedicineNTNU, Norwegian University of Science and Technology Trondheim Norway
2. The Cancer Clinic, St. Olav's HospitalTrondheim University Hospital Trondheim Norway
3. Department of OncologyOslo University Hospital Oslo Norway
4. Department of Clinical Medicine, Faculty of MedicineUniversity of Oslo Oslo Norway
5. Department of Internal MedicineInnlandet Hospital Trust Hamar Norway