About the Authors

Jason M. Cloward

Current address: National Center for Immunization and Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America

Affiliations Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, Georgia, United States of America, Laboratories of Bacterial Pathogenesis, Veterans Affairs Medical Center (Atlanta), Decatur, Georgia, United States of America

William M. Shafer

wshafer@emory.edu

Affiliations Department of Microbiology and Immunology, Emory University School of Medicine, Atlanta, Georgia, United States of America, Laboratories of Bacterial Pathogenesis, Veterans Affairs Medical Center (Atlanta), Decatur, Georgia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JMC WMS. Performed the experiments: JMC. Analyzed the data: JMC WMS. Contributed reagents/materials/analysis tools: JMC WMS. Wrote the paper: JMC WMS.