Division of Epidemiology, Department of Medicine, Vanderbilt Epidemiology Center, Vanderbilt-Ingram Cancer Center (BZ, XOS, RJD, CZ, WW, JL, WZ) and Department of Biostatistics (CL), Vanderbilt University School of Medicine, Nashville, TN; Centre for Cancer Genetic Epidemiology, Department of Public Health and Primary Care(KM, MKB, QW, JD, PDPP, DFE) and Department of Oncology (AMD, MS, BJP, CL, CB, SA, MM, CSH, PDPP, DFE), University of Cambridge, Cambridge, UK; Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden (KC, HD, ME); Copenhagen General Population Study (SEB, BGN, SFN), Department of Clinical Biochemistry (SEB, BGN, SFN), and Department of Breast Surgery (HF), Herlev Hospital, Copenhagen, Denmark; Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark (SEB, BGN); Vesalius Research Center (VRC), VIB, Leuven, Belgium (DL); Laboratory for Translational Genetics, Department of Oncology, University of Leuven, Leuven, Belgium (DL); University Hospitals Leuven and Department of Oncology, Leuven, Belgium (PN, HW, GF); Netherlands Cancer Institute, Amsterdam, the Netherlands (MKS, MAR); Division Research, Department of Donor Studies, Sanquin Blood Supply, Amsterdam, the Netherlands (KVDH, WLAMDK); Department of Laboratory Medicine and Pathology (FJC) and Department of Health Sciences Research (JEO, EH, CV, SS), Mayo Clinic, Rochester, MN; Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany (JCC, AR, PS); Department of Cancer Epidemiology/Clinical Cancer Registry and Institute for Medical Biometrics and Epidemiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany (DFJ); Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK (JP, IDSS); Breakthrough Breast Cancer Research Centre, the Institute of Cancer Research, London, UK (OF, NJ); Department of Obstetrics and Gynecology (HN, TAM), D Organization uri icon