1. Center for Reproductive Medicine , Department of Obstetrics and Gynecology, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, , Beijing , China
2. Peking University Third Hospital , Department of Obstetrics and Gynecology, Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology and Key Laboratory of Assisted Reproduction, Ministry of Education, , Beijing , China
3. College of Veterinary Medicine, South China Agricultural University , Guangzhou , China
4. State Key Laboratory of Primate Biomedical Research , Institute of Primate Translational Medicine, , Kunming , China
5. Kunming University of Science and Technology , Institute of Primate Translational Medicine, , Kunming , China
6. Department of Gynecology and Obstetrics , Key Laboratory for Major Obstetric Diseases of Guangdong Province, , Guangzhou , China
7. The Third Affiliated Hospital of Guangzhou Medical University , Key Laboratory for Major Obstetric Diseases of Guangdong Province, , Guangzhou , China