About the Authors
Guangdong Provincial Key Laboratory of Infectious Diseases and Molecular Immunopathology, Research Center for Reproductive Medicine, Shantou University Medical College, Shantou, Guangdong, China
Key Laboratory of Birth Defects and Reproductive Health, Chongqing, China
Center for Reproductive Medicine, Chengdu Jinjiang Hospital for Maternal and Child Health Care, Chengdu, Sichuan, China
The authors have declared that no competing interests exist.
Conceived and designed the experiments: TH. Performed the experiments: FL LL YZ QX XK DW. Analyzed the data: FL JH LX. Wrote the paper: TH FL.