1. Department of Surgical Pathology Region Zealand, Zealand University Hospital, Slagelse, Denmark;
2. Danish Breast Cancer Cooperative Group, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark;
3. Department of Oncology, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark;
4. Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, Copenhagen, Denmark;
5. Department of Clinical Genetics, Odense University Hospital, Odense, Denmark