About the Authors

Philip M. Ricks

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

Kevin P. Cain

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

John E. Oeltmann

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

J. Steve Kammerer

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

Patrick K. Moonan

pmoonan@cdc.gov

Affiliation Division of Tuberculosis Elimination, United States 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: PKM PMR KPC. Performed the experiments: PKM JEO JSK. Analyzed the data: PKM JEO. Contributed reagents/materials/analysis tools: PKM JSK. Wrote the paper: PMR PKM JEO.