1. State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology Chinese Academy of Sciences Beijing China
2. Institute for Stem Cell and Regeneration Chinese Academy of Sciences Beijing China
3. Beijing Institute for Stem Cell and Regenerative Medicine Beijing China
4. University of Chinese Academy of Sciences Beijing China
5. Reproductive Medicine Research Center The Sixth Affiliated Hospital of Sun Yat‐sen University Guangzhou China
6. State Key Laboratory of Membrane Biology Institute of Zoology, Chinese Academy of Sciences Beijing China
7. Department of Molecular Biology The University of Texas Southwestern Medical Center Dallas Texas USA
8. Hamon Center for Regenerative Science and Medicine University of Texas, Southwestern Medical Center Dallas Texas USA
9. Cecil H. and Ida Green Center for Reproductive Biology Sciences The University of Texas Southwestern Medical Center Dallas Texas USA