1. Department of Gynecology, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, P. R. China
2. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, P. R. China
3. Pathology Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, P. R. China
4. Department of Laboratory Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai 200080, P. R. China
5. Department of Biochemistry and Molecular Cell Biology, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P. R. China