1. Department of Gynecologic Oncology and Reproductive Medicine, University of Texas, MD Anderson Cancer Center, Houston, TX, USA
2. Department of Obstetrics and Gynecology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
3. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
4. Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA
5. Biostatistics Center, Kurume University, Kurume, Fukuoka, Japan
6. Clinical Research Institute, National Kyushu Cancer Center, Fukuoka, Japan