1. West China School of Basic Medical Sciences & Forensic Medicine Sichuan University Chengdu China
2. Center for Translational Medicine Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University) Ministry of Education West China Second University HospitalSichuan University Chengdu China
3. Department of Obstetrics and Gynecology West China Second University HospitalSichuan University Chengdu China
4. Human Sperm Bank West China Second University HospitalSichuan University Chengdu China
5. Department of Clinical Laboratory Renmin Hospital of Wuhan University Wuhan China
6. Department of Pediatric Urology West China HospitalSichuan University Chengdu China