1. Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China
2. National Clinical Research Center for Obstetrics and Gynecology, Beijing, China
3. Key Laboratory of Assisted Reproduction, Ministry of Education, Beijing, China
4. Beijing Key Laboratory of Reproductive Endocrinology and Assisted Reproductive Technology, Beijing, China
5. Department of Child, Adolescent Health and Maternal Care, School of Public Health, Capital Medical University, Beijing, China
6. Research Units of Comprehensive Diagnosis and Treatment of Oocyte Maturation Arrest, Chinese Academy of Medical Sciences, Beijing, China
7. School of Environment, Jinan University, Guangzhou, China
8. Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou, China