1. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Southern California, Los Angeles, CA, USA
2. Department of Gynecology, Osaka International Cancer Institute, Osaka, Japan
3. Department of Obstetrics and Gynecology, Osaka University Graduate School of Medicine, Osaka, Japan
4. Department of Obstetrics and Gynecology, University of Freiburg, Freiburg, Germany
5. Norris Comprehensive Cancer Center, University of Southern California, Los Angeles, CA, USA