| Institution: | 1. Unit of Virus, Lifestyle and Genes, Danish Cancer Society Research Center, Copenhagen, Denmark;2. Unit of Statistics and Pharmacoepidemiology, Danish Cancer Society Research Center, Copenhagen, Denmark;3. Department of Public Health, University of Copenhagen, Copenhagen, Denmark;4. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark;5. Danish Breast Cancer Cooperative Group, Rigshospitalet, Copenhagen, Denmark;6. Department of Oncology, Rigshospitalet, Copenhagen, Denmark;7. Department of Breast Surgery, Herlev Hospital, Copenhagen, Denmark |
