1. Department of Obstetrics and Gynecology, the Third Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China
2. Department of Pharmacy, The Second Xiangya Hospital, Central South University, Changsha, China
3. Department of Obstetrics and Gynecology, Changsha Central Hospital of University of South China, Changsha, China
4. Department of Oncology, the Third Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China