1. Department of Gynecology, The Obstetrics and Gynecology Hospital of Fudan University, 419 Fang-Xie Road, Shanghai 200011, China
2. Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
3. Changning Maternity and Infant Health Hospital, East China Normal University, Shanghai, China
4. Department of Urology, Gongli Hospital of Shanghai Pudong New Area, 219 Miao-Pu Road, Shanghai 200135, China
5. Department of Intensive Care Unit, Zhongshan Hospital, Fudan University, 180 Feng-Lin Road, Shanghai 200011, China