[1] Univ Texas MD Anderson Canc Ctr, Houston, TX 77030 USA
[2] Columbia Univ, Vagelos Coll Phys & Surg, Dept Obstet & Gynecol, Div Gynecol Oncol, New York, NY USA
[3] Harvard Med Sch, Boston, MA 02115 USA
[4] Massachusetts Gen Hosp, Boston, MA 02114 USA
[5] Columbia Univ, New York, NY USA