About the Authors

Xueli Su

Affiliation Beijing Center for Disease Control and Prevention, Beijing, People's Republic of China

Jun Yao

yaojuncdc@163.com (JY) (JY); jiangyan03@263.net (YJ) (YJ)

Affiliation National HIV/HCV Reference Laboratory, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China

Yan Jiang

yaojuncdc@163.com (JY) (JY); jiangyan03@263.net (YJ) (YJ)

Affiliation National HIV/HCV Reference Laboratory, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China

Jie Li

Affiliation Kunming Center for Disease Control and Prevention, Kunming, People's Republic of China

Jianfeng Han

Affiliation National HIV/HCV Reference Laboratory, National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China

Weidong Sun

Affiliation Beijing Center for Disease Control and Prevention, Beijing, People's Republic of China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: XLS JY YJ. Performed the experiments: XLS JFH WDS. Analyzed the data: XLS JL. Contributed reagents/materials/analysis tools: XLS JY YJ JL WDS. Wrote the paper: XLS JL.