About the Authors

Patrick S. Sullivan

To whom correspondence should be addressed. E-mail: pss0@cdc.gov

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

Michael L. Campsmith

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

Glenn V. Nakamura

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

Elin B. Begley

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

Jeffrey Schulden

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

Allyn K. Nakashima

Affiliation 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: PS MC EB AN. Performed the experiments: PS MC EB AN. Analyzed the data: PS GN JS. Contributed reagents/materials/analysis tools: MC GN EB JS AN. Wrote the paper: PS.