About the Authors

Yuan Cheng

Affiliation Program of Reproductive and Stem Cell Biology, Department of Ob/Gyn, Stanford University School of Medicine, Stanford, CA, United States of America

Jaehong Kim

Affiliation Program of Reproductive and Stem Cell Biology, Department of Ob/Gyn, Stanford University School of Medicine, Stanford, CA, United States of America

Xiao Xiao Li

Affiliation Program of Reproductive and Stem Cell Biology, Department of Ob/Gyn, Stanford University School of Medicine, Stanford, CA, United States of America

Aaron J. Hsueh

aaron.hsueh@stanford.edu

Affiliation Program of Reproductive and Stem Cell Biology, Department of Ob/Gyn, Stanford University School of Medicine, Stanford, CA, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: YC AH. Performed the experiments: YC JK XXL. Analyzed the data: YC JK XXL AH. Wrote the paper: YC AH.