About the Authors

Christopher B. Hurt

churt@med.unc.edu

Affiliation Department of Medicine, Division of Infectious Diseases, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Elizabeth Torrone

Current address: Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Affiliation Department of Epidemiology, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Kelly Green

Affiliation Social and Behavioral Science Research Core, Center for AIDS Research, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Evelyn Foust

Affiliation North Carolina Department of Health and Human Services, HIV/STD Prevention and Care Branch, Raleigh, North Carolina, United States of America

Peter Leone

Affiliation Department of Medicine, Division of Infectious Diseases, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Lisa Hightow-Weidman

Affiliation Department of Medicine, Division of Infectious Diseases, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CBH KAG LBHW. Analyzed the data: CBH EAT. Wrote the paper: CBH EAT KAG EMF PL LBHW. Coordinated data abstraction that led to this paper: EAT. Assisted with initial planning for analyses: KAG. Provided critical review for manuscript drafts: KAG EMF PL LBH-W. Supervised data abstraction and management for surveillance study that led to this paper: EMF PL. Abstracted original data and worked with it for previous, unrelated publications: LBH-W. Assisted in developing analyses: LBH-W.