About the Authors

Sundaram A. Vishwanathan

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Monica R. Morris

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Richard J. Wolitski

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Wei Luo

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Charles E. Rose

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Dianna M. Blau

Affiliation National Center for Emerging & Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Theodros Tsegaye

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Sherif R. Zaki

Affiliation National Center for Emerging & Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

David A. Garber

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Leecresia T. Jenkins

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Tara C. Henning

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Dorothy L. Patton

Affiliation University of Washington, Seattle, Washington, United States of America

R. Michael Hendry

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Janet M. McNicholl

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Ellen N. Kersh

ekersh@cdc.gov

Affiliation National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ENK SAV RJW RMH JMM. Performed the experiments: SAV WL MRM DAG LTJ TT TCH DLP DMB SRZ ENK. Analyzed the data: SAV ENK CER. Contributed reagents/materials/analysis tools: DLP. Wrote the paper: ENK SAV. Statistical analyses: CER.