1. Fujian Provincial Key Laboratory of Reproductive Health Research, Department of Obstetrics and Gynecology, Women and Children’s Hospital, School of Medicine, Xiamen University, Xiamen 361102, Fujian, China
2. State Key Laboratory of Infectious Disease Vaccine Development, Xiang An Biomedicine Laboratory, School of Public Health, Xiamen University, Xiamen 361102, Fujian, China
3. State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
4. University of Chinese Academy of Sciences, Beijing 100101, China
5. Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
6. Institute of Comparative Medicine, College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, Jiangsu, China
7. Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Department of Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510140, Guangdong, China
8. Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou 510140, Guangdong, China
9. Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston 77030, TX
10. Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston 77030, TX