About the Authors

Stephen W. Sorensen

Affiliation 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

Stephanie L. Sansom

sos9@cdc.gov

Affiliation 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

John T. Brooks

Affiliation 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

Gary Marks

Affiliation 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

Elizabeth M. Begier

Affiliation New York City Department of Health and Mental Hygiene, New York, New York, United States of America

Kate Buchacz

Affiliation 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

Elizabeth A. DiNenno

Affiliation 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

Jonathan H. Mermin

Affiliation 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

Peter H. Kilmarx

Affiliation 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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SWS SLS JTB GM EMB KB EAD JHM PHK. Performed the experiments: SWS SLS. Analyzed the data: SWS SLS KB EAD. Contributed reagents/materials/analysis tools: SWS SLS KB EAD. Wrote the paper: SWS SLS JTB GM EMB KB EAD JHM PHK.