About the Authors

Xiaokui Yang

Contributed equally to this work with: Xiaokui Yang, Qingxin Wang, Zhiying Gao

Affiliation Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China

Qingxin Wang

Contributed equally to this work with: Xiaokui Yang, Qingxin Wang, Zhiying Gao

Affiliations Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China, State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Zhiying Gao

Contributed equally to this work with: Xiaokui Yang, Qingxin Wang, Zhiying Gao

Affiliation Department of Obstetrics and Gynecology, PLA General Hospital, Beijing, China

Zhi Zhou

Affiliations State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, Graduate School of the Chinese Academy of Sciences, Beijing, China

Sha Peng

Affiliation Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China

Wen-Lin Chang

Affiliation State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Hai-Yan Lin

Affiliation State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Weiyuan Zhang

wanghm@ioz.ac.cn (HW); zhangwy9921@hotmail.com (WZ)

Affiliation Department of Human Reproductive Medicine, Beijing Obstetrics and Gynecology Hospital, Capital Medical University, Beijing, China

Hongmei Wang

wanghm@ioz.ac.cn (HW); zhangwy9921@hotmail.com (WZ)

Affiliation State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WZ HW. Performed the experiments: QW XY ZG ZZ SP WLC. Analyzed the data: XY QW ZG. Contributed reagents/materials/analysis tools: HL ZZ. Wrote the paper: XY QW ZG.