1. Division of Gynecologic Oncology, University of Cincinnati, Cincinnati, OH, USA
2. Division of Gynecologic Oncology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
3. Houston Methodist Gynecologic Oncology Associates, Houston, TX, USA
4. Department of Gynecologic Oncology, Shandong Cancer Hospital & Institute, Jinan, P.R. China
5. Department of Obstetrics, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, P.R. China
6. Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA