1. Department of Gynecologic Oncology Research Office The Third Affiliated Hospital of Guangzhou Medical University Guangzhou China
2. Department of Gynecology The Third Affiliated Hospital of Guangzhou Medical University Guangzhou China
3. Key Laboratory for Major Obstetric Diseases of Guangdong Province Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institute in Guangdong Province Guangzhou China
4. Department of Gynecology The First Affiliated Hospital of China Medical University Shenyang China