About the Authors

Richard D. Powell III

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

William C. Whitworth

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

John Bernardo

Affiliation The Pulmonary Center, Boston University School of Medicine, Boston, Massachusetts, United States of America

Patrick K. Moonan

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

Gerald H. Mazurek

gym6@cdc.gov

Affiliation Division of Tuberculosis Elimination, 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: RDP GHM. Analyzed the data: RDP WCW GHM. Wrote the paper: RDP WCW JB PKM GHM. Data acquisition: RDP WCW JB PKM GHM.