1. Center of Reproductive medicine Affiliated hospital of Youjiang Medical University for Nationalities Baise China
2. Graduate School of Peking Union Medical College & Chinese Academy of Medical Sciences Beijing China
3. Center for Genetics National Research Institute of Family Planning Beijing China
4. The Second Children & Women's Healthcare of Jinan City Jinan China
5. Medicine Centre 901st hospital of PLA Joint Logistic Support Force Hefei People's Republic of China
6. Industrial College of Biomedicine and Health Industry Youjiang Medical University for Nationalities Baise China
7. NHC Key Laboratory of Reproductive Health Engineering Technology Research (NRIFP) Beijing China