1. Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
2. Key Laboratory of Assisted Reproduction (Peking University), Ministry of Education, Beijing, China
3. Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, School of Basic Medical Sciences, Peking University, Beijing, China
4. Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology (Peking University Third Hospital), Beijing, China
5. National Clinical Research Center for Obstetrics and Gynecology (Peking University Third Hospital), Beijing, China
6. Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing, China