1. C.S Mott center for Human Growth and Development Department of Obstetrics and Gynecology Wayne State University Detroit MI USA
2. Department of Obstetrics, Gynecology and Reproductive Sciences Yale University School of Medicine New Haven CT USA
3. Department of Pathology Yale University School of Medicine New Haven CT USA
4. Institute of Reproductive Health Center for Reproductive Medicine Tongji Medical College Huazhong University of Science and Technology Wuhan China
5. Obstetrics and Gynecology Hospital of Fudan University Shanghai China
6. Massachusetts College of Pharmacy and Health Sciences Boston MA USA
7. Department of Microbial Pathogenesis Yale University School of Medicine New Haven CT USA