1. The University of Texas MD Anderson Cancer Center, Houston, TX;
2. NRG Statistical and Data Center, Roswell Park Cancer Institute, Buffalo, NY;
3. Division of Gynecologic Oncology, The University of Cincinnati Cancer Institute, Cincinnati, OH;
4. The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD;
5. Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York, NY;
6. The University of Oklahoma Health Sciences Center, Oklahoma City, OK;
7. Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea;
8. Saitama Medical University International Medical Center, Hidaka, Japan;
9. UC Irvine Medical Center, Orange, CA;
10. The Ohio State University College of Medicine, Columbus, OH;