1. Division of Genome Biology, National Cancer Center Research Institute , Chuo-ku, Tokyo , Japan
2. Department of Obstetrics and Gynecology, The Jikei University School of Medicine , Minato-ku, Tokyo , Japan
3. Department of Diagnostic Pathology, National Cancer Center Hospital , Tokyo , Japan
4. Department of Medical Oncology, National Cancer Center Hospital , Chuo-ku, Tokyo , Japan
5. Department of Gynecology, National Cancer Center Hospital East , Kashiwa-shi, Chiba , Japan
6. Department of Pathology, The Jikei University School of Medicine , Minato-ku, Tokyo , Japan
7. Department of Gynecology, National Cancer Center Hospital , Chuo-ku, Tokyo , Japan
8. Molecular Oncology, The Jikei University Graduate School of Medicine , Minato-ku, Tokyo , Japan