1. Department of Breast Surgery, Copenhagen University Hospital, Copenhagen, Denmark,
2. Danish Breast Cancer Cooperative Group, Copenhagen University Hospital, Copenhagen, Denmark,
3. Department of Pathology, Herlev Hospital, Copenhagen, Denmark,
4. Department of Breast Surgery, Ringsted Hospital, Ringsted, Denmark,
5. Department of Radiology, Copenhagen University Hospital, Copenhagen, Denmark,
6. Department of Surgery, Breast Surgery Unit, Aarhus University Hospital/Randers Regional Hospital, Aarhus, Denmark, and
7. Department of Clinical Oncology, Copenhagen University Hospital, Copenhagen, Denmark.