Institution: | 1. Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Peking University Third Hospital, Beijing, China;2. Key Laboratory of Assisted Reproduction, Ministry of Education, Beijing, China;3. The Affiliated High School of Peking University, Beijing, China;4. Department of Obstetrics and Gynecology, Peking University Shenzhen Hospital, Shenzhen, China;5. School of Basic Medical Sciences, Peking University, Beijing, China |