1. Department of Oncology, Georgetown University, Washington, DC
2. Terasaki Institute of Biomedical Innovation, Los Angeles, California
3. Kaiser Permanente Washington Health Research Institute, Seattle, Washington
4. Department of Medicine, University of California, San Diego
5. Department of Surgery, Larner College of Medicine, University of Vermont, Burlington
6. Department of Population Sciences, University of Utah, Salt Lake City
7. Department of Radiology, University of North Carolina at Chapel Hill
8. Department of Epidemiology, University of Florida, Gainesville
9. Division of Research, Health Partners Institute, Bloomington, Minnesota
10. Department of Medicine, University of California, San Francisco
11. Department of Epidemiology and Biostatistics, University of California, San Francisco
12. Department of Public Health Sciences, School of Medicine, University of California, Davis
13. Cancer Control and Population Sciences Program, University of Florida Health Cancer Center, Gainesville
14. for the Breast Cancer Surveillance Consortium