1. Department of Gynecology; Obstetrics and Gynecology Hospital of Fudan University; Shanghai China
2. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases; Shanghai China
3. Department of Pathology; Obstetrics and Gynecology Hospital of Fudan University; Shanghai China
4. Department of Radiology; Obstetrics and Gynecology Hospital of Fudan University; Shanghai China