About the Authors

Joseph Prejean

nzp1@cdc.gov

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

Ruiguang Song

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

Angela Hernandez

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

Rebecca Ziebell

Affiliation The Ginn Group, Peachtree City, Georgia, United States of America

Timothy Green

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

Frances Walker

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

Lillian S. Lin

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

Qian An

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

Jonathan Mermin

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

Amy Lansky

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

H. Irene Hall

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

for the HIV Incidence Surveillance Group

Membership of the HIV Incidence Surveillance Group is provided in the Acknowledgments.

Competing Interests

Rebecca Ziebell is an employee of The Ginn Group, Peachtree City, Georgia, United States of America, a sub-contractor of the Northrop Grumman Corporation which provides scientific analysis services under contract to and as directed by the Centers for Disease Control and Prevention (CDC). This affiliation does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: JP RS HIH. Analyzed the data: JP RS RZ. Contributed reagents/materials/analysis tools: JP RS AH RZ TG FW LSL QA HIH. Wrote the paper: JP RS. Interpretation of data: JP RS AH JM AL HIH.