About the Authors

Janet J. Sei

Affiliation Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America

Scott Haskett

Current address: Biogen Idec, Cambridge, Massachusetts, United States of America

Affiliation Department of Molecular Microbiology and Immunology, Saint Louis University Health Sciences Center, St. Louis, Missouri, United States of America

Lauren W. Kaminsky

Affiliation Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America

Eugene Lin

Affiliation Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America

Mary E. Truckenmiller

Affiliation Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America

Clifford J. Bellone

Affiliation Department of Molecular Microbiology and Immunology, Saint Louis University Health Sciences Center, St. Louis, Missouri, United States of America

R. Mark Buller

Affiliation Department of Molecular Microbiology and Immunology, Saint Louis University Health Sciences Center, St. Louis, Missouri, United States of America

Christopher C. Norbury

ccn1@psu.edu

Affiliation Department of Microbiology and Immunology, College of Medicine, Pennsylvania State University, Hershey, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JJS SH CJB RMB CCN. Performed the experiments: JJS SH LWK EL MET. Analyzed the data: JJS LWK EL MET CCN. Contributed reagents/materials/analysis tools: CJB RMB CCN. Wrote the paper: JJS MET RMB CCN.