About the Authors

HaoQiang Zheng, Hongwei Jia, Anupama Shankar, Walid Heneine, William M. Switzer
Laboratory Branch, Division of HIV/AIDS Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: HZ WH WMS. Performed the experiments: HZ HJ AS. Analyzed the data: HZ WH WMS. Wrote the paper: HZ WH WMS.