About the Authors

A. D. McNaghten

a.d.mcnaghten@emory.edu

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Eduardo E. Valverde

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Janet M. Blair

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Christopher H. Johnson

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Mark S. Freedman

Affiliation Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Patrick S. Sullivan

Affiliation Rollins School of Public Health, Emory University, Atlanta, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ADM EEV JMB CHJ PSS. Analyzed the data: EEV CHJ. Wrote the paper: ADM EEV JMB CHJ MSF PSS.