1. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology University of Southern California Los Angeles California USA
2. Department of Obstetrics and Gynecology University of Freiburg Faculty of Medicine Freiburg Germany
3. Division of Gynecologic Oncology, Department of Obstetrics and Gynecology Columbia University College of Physicians and Surgeons New York City New York USA
4. Norris Comprehensive Cancer Center University of Southern California Los Angeles California USA
5. Department of Obstetrics and Gynecology Los Angeles General Medical Center Los Angeles California USA