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