1. Department of Medical Genetics and Developmental Biology, School of Basic Medical Sciences, Capital Medical University , Beijing 100069 , China
2. Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Department of Biology, College of Life Sciences, Beijing Normal University , Beijing 100875 , China
3. Graduate School, Chinese Academy of Medical Sciences & Peking Union Medical College , Beijing 100005 , China
4. Department of Urology, Peking Union Medical College Hospital , Beijing 100005 , China
5. Center for Genetics, National Research Institute of Family Planning , Beijing 100081 , China
6. NHC Key Laboratory of Reproductive Health Engineering Technology Research (NRIFP) , Beijing 100081 , China