1 Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA. Electronic address: david.shalowitz@uphs.upenn.edu.
2 Texas Oncology-Baylor Charles A. Sammons Cancer Center, Dallas, TX.
3 Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA.