1. Hospital of Obstetrics and Gynecology Shanghai Medical College Fudan University Shanghai China
2. Institute of Reproductive Health Center for Reproductive Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan China
3. Department of Obstetrics and Gynecology School of Medicine Renji Hospital Shanghai JiaoTong University Shanghai China
4. Shenzhen Key Laboratory of Reproductive Immunology for Peri‐implantation Shenzhen Zhongshan Institute for Reproduction and Genetics Shenzhen Zhongshan Urology Hospital Shenzhen China