1. Family Planning Research Institute/Center of Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, China
2. School of Pharmaceutical Sciences, Capital Medical University, Beijing, China
3. Reproductive Medicine Center, Renmin Hospital of Wuhan University, Wuhan, Hubei Province, China
4. Wuhan Tongji Reproductive Medicine Hospital, Wuhan, Hubei Province, China