1 Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
2 Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Wuhan Tongji Reproductive Medicine Hospital, 128 Sanyang Road, Wuhan, 430013, China.
3 Institute of Reproductive Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China; Wuhan Tongji Reproductive Medicine Hospital, 128 Sanyang Road, Wuhan, 430013, China. Electronic address: wpxiang2010@hust.edu.cn.