1. National Laboratory of Biomacromolecules CAS Center for Excellence in Biomacromolecules Institute of Biophysics Chinese Academy of Sciences Beijing China
2. Center for Reproductive Medicine Peking University Third Hospital Beijing China
3. Reproductive Medicine Center of Henan Provincial People's Hospital Zhengzhou China
4. Department of Traditional Chinese Medicine Beijing Obstetrics and Gynecology Hospital Capital Medical University Beijing China
5. Beijing Maternal and Child Health Care Hospital Beijing China
6. National Clinical Research Center for Obstetrics and Gynecology Beijing China
7. State Key Laboratory of Stem Cell and Reproductive Biology Institute of Zoology Chinese Academy of Sciences Beijing China
8. Savaid Medical School University of Chinese Academy of Sciences Beijing China
9. Institute for Stem Cell and Regeneration Chinese Academy of Sciences Beijing China