About the Authors

John R. Gallagher

john.gallagher2@nih.gov (JRG); ghc@dental.upenn.edu (GHC)

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

Doina Atanasiu

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

Wan Ting Saw

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

Matthew J. Paradisgarten

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

J. Charles Whitbeck

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

Roselyn J. Eisenberg

Affiliation Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Gary H. Cohen

john.gallagher2@nih.gov (JRG); ghc@dental.upenn.edu (GHC)

Affiliation Department of Microbiology, School of Dental Medicine, University of Pennsylvania Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JRG MJP DA WTS JCW GHC RJE. Performed the experiments: JRG DA WTS MJP JCW. Analyzed the data: JRG DA WTS MJP JCW. Wrote the paper: JRG DA RJE GHC.