1. Department of Radiology and Biomedical Imaging, Yale University School of Medicine, Smilow Cancer Hospital, PO Box 208042, New Haven, CT 06520-8042.
2. Boston Biostatistics Research Foundation, Framingham, MA.
3. Virginia Biomedical Laboratories, LLC, Wirtz, VA.
4. Radiology Imaging Associates, Englewood, CO.
5. Weinstein Imaging Associates, Pittsburgh, PA.
6. Elizabeth Wende Breast Care, Rochester, NY.
7. Cleveland Clinic, Cleveland, OH.
8. Weill Cornell Medicine, New York, NY.
9. University of Texas Health Science Center at San Antonio, San Antonio, TX.
10. Department of Radiology, MedStar Georgetown University Hospital, Washington, DC.
11. Boca Raton Regional Hospital, Boca Raton, FL.
12. Austin Radiological Association, Austin, TX.
13. Present address: Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis, St. Louis, MO.
14. Department of Radiology, MD Anderson Cancer Center, Houston, TX.
15. Present address: Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX.
16. Department of Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL.