1. Department of Obsterics and Gynecology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450052, China
2. Division of Gynecological Oncology, Department of Obstetrics and Gynecology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
3. Division of Gynecological Oncology, Linyi Tumor Hospital, Linyi, Shandong 276001, China
4. Department of Technology R&D, Nexcelom Bioscience LLC, Lawrence, MA 01843, USA
5. Linberger Comprehensive Cancer Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599