1. Department of Cancer Genetics, Institute for Cancer Research Oslo University Hospital Oslo Norway
2. Department of Oncology Oslo University Hospital Oslo Norway
3. Department of Pathology Oslo University Hospital Oslo Norway
4. Department of Breast and Endocrine Surgery Drammen Hospital, Vestre Viken Hospital Trust Drammen Norway
5. Department of Breast and Endocrine Surgery Oslo University Hospital Oslo Norway
6. Department of Oncology St. Olavs University Hospital Trondheim Norway
7. Institute for Clinical Medicine University of Oslo Oslo Norway
8. Department of Informatics University of Oslo Oslo Norway
9. KG Jebsen Centre for B‐Cell Malignancies, Institute for Clinical Medicine University of Oslo Oslo Norway