Author Contributions: Dr Miglioretti had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Houssami, Miglioretti, Buist, Irwig.
Acquisition of data: Miglioretti, Kerlikowske, Buist, Geller.
Analysis and interpretation of data: Houssami, Abraham, Miglioretti, Sickles, Kerlikowske, Buist, Geller, Muss.
Drafting of the manuscript: Houssami, Abraham, Miglioretti.
Critical revision of the manuscript for important intellectual content: Houssami, Miglioretti, Sickles, Kerlikowske, Buist, Geller, Muss, Irwig.
Statistical analysis: Houssami, Abraham, Miglioretti.
Obtained funding: Miglioretti, Kerlikowske, Buist, Irwig.
Administrative, technical, or material support: Houssami, Kerlikowske, Buist.
Study supervision: Houssami, Miglioretti, Kerlikowske, Irwig.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: This work was supported by the National Cancer Institute (NCI)–funded BCSC cooperative agreement (U01CA63740, U01CA86076, U01CA86082, U01CA63736, U01CA70013, U01CA69976, U01CA63731, and U01CA70040). The collection of cancer data used in this study was supported in part by several state public health departments and cancer registries throughout the United States. For a full description of these sources, see http://www.breastscreening.cancer.gov/work/acknowledgement.html. This work was also partly funded by Australia's National Health and Medical Research Council program grant 402764 to the Screening and Test Evaluation Program.
Role of the Sponsor: The sponsors did not participate in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript. The BCSC Steering Committee reviewed the manuscript.
Disclaimer: The content is solely the responsibility of the authors and does not necessarily represent the official views of the NCI or the National Institutes of Health.
Additional Contributions: This study is dedicated to the many women who have been personally affected by breast cancer. We thank the participating women, mammography facilities, and radiologists for the data they provided for this study. A list of the BCSC investigators and procedures for requesting BCSC data for research purposes are provided at http://breastscreening.cancer.gov. We thank Chris Tachibana, PhD (Group Health Research Institute, Seattle), for assistance with scientific editing of this article. She did not receive financial compensation for her contributions.