1. Department of Obstetrics and Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, People’s Republic of China
2. Department of Obstetrics and Gynecology, Shanghai Medical School, Fudan University, Shanghai 200032, People’s Republic of China
3. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, People’s Republic of China