1. Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, People's Republic of China.
2. Department of Obstetrics and Gynecology, West China Second University Hospital, Sichuan University, Chengdu, People's Republic of China.
3. Chengdu Newgenegle Biotech Co. Ltd., Chengdu, People's Republic of China.