[1] Harvard Univ, Sch Med, Beth Israel Deaconess Med Ctr, Hematol Oncol Unit, Boston, MA 02215 USA
[2] Univ Texas, MD Anderson Canc Ctr, Houston, TX 77030 USA
[3] Vanderbilt Univ, Sch Med, Dept Med, Nashville, TN 37232 USA
[4] Vanderbilt Univ, Sch Med, Dept Canc Biol, Nashville, TN 37232 USA
[5] Univ Maryland, Sch Med, Dept Pharmacol, Baltimore, MD 21202 USA
[6] Johns Hopkins Univ, Sidney Kimmel Comprehens Canc Ctr, Baltimore, MD 21231 USA
[7] Acad Dept Biochem, Royal Marsden Hosp, London SW3 6JJ, England
[8] Mayo Clin & Mayo Fdn, Rochester, MN 55905 USA
[9] Royal Marsden Hosp, London SW3 6JJ, England
[10] Inst Canc Res, Dept Med, London SW3 6JJ, England
[11] Baylor Breast Ctr, Baylor Coll Med, Houston, TX 77030 USA
[12] Toronto Sunnybrook Reg Canc Ctr, Clin Trials & Epidemiol, Toronto, ON M4N 3M5, Canada
[13] UPCI Breast Program, Magee Womens Hosp, Pittsburgh, PA 15213 USA
[14] Dana Farber Canc Inst, Boston, MA 02115 USA
[15] InforMED, Narberth, PA 19072 USA