[1] Georgetown Univ, Med Ctr, Washington, DC 20007 USA
[2] Signature Breast Care, Lanham, MD 20706 USA
[3] Howard Univ, Washington, DC 20060 USA
[4] Georgetown Univ, Washington, DC 20057 USA
[5] Inova Breast Care Ctr, Fairfax, VA 22031 USA
[6] Georgetown Univ, Dept Oncol, Canc Prevent & Control Program, Med Ctr, Washington, DC 20007 USA