1. Department of Oncology, Section for Breast and Endocrine Surgery, Oslo University Hospital, Oslo, Norway.
2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
3. Department of Breast and Endocrine Surgery, Haukeland University Hospital, Bergen, Norway.
4. Department of Clinical Science, University of Bergen, Bergen, Norway.
5. Department of Breast and Endocrine Surgery, St. Olavs University Hospital, Trondheim, Norway.
6. Division of Internal Medicine, University Hospital of North Norway, Tromsø, Norway.
7. Institute of Clinical Medicine, UIT, The Arctic University of Norway, Tromsø, Norway.
8. Department of Medical Genetics, Oslo University Hospital, Oslo, Norway.
9. Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway.
10. Department of Pathology, Oslo University Hospital, Oslo, Norway.
11. Centre for Cancer Biomarkers CCBIO, Department of Clinical Medicine, Section for Pathology, University of Bergen, Bergen, Norway.
12. Department of Pathology, Haukeland University Hospital, Bergen, Norway.
13. Department of Thoracic Surgery, Oslo University Hospital, Oslo, Norway.
14. Department of Medical Biochemistry, Oslo University Hospital, Oslo, Norway.