About the Authors

Drew J. Schwartz

Affiliation Department of Molecular Microbiology, Center for Women's Infectious Disease Research, Washington University in St. Louis, St. Louis, Missouri, United States of America

Matt S. Conover

Affiliation Department of Molecular Microbiology, Center for Women's Infectious Disease Research, Washington University in St. Louis, St. Louis, Missouri, United States of America

Thomas J. Hannan

Affiliation Department of Pathology & Immunology, Washington University in St. Louis, St. Louis, Missouri, United States of America

Scott J. Hultgren

Hultgren@wusm.wustl.edu

Affiliation Department of Molecular Microbiology, Center for Women's Infectious Disease Research, Washington University in St. Louis, St. Louis, Missouri, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJS TJH SJH. Performed the experiments: DJS MSC TJH. Analyzed the data: DJS MSC TJH SJH. Contributed reagents/materials/analysis tools: MSC TJH. Wrote the paper: DJS SJH. Edited the manuscript: MSC TJH.