About the Authors

Peter D. Newell

Affiliation Department of Microbiology and Immunology, Dartmouth Medical School, Hanover, New Hampshire, United States of America

Chelsea D. Boyd

Affiliation Department of Microbiology and Immunology, Dartmouth Medical School, Hanover, New Hampshire, United States of America

Holger Sondermann

Affiliation Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, New York, United States of America

George A. O'Toole

georgeo@dartmouth.edu

Affiliation Department of Microbiology and Immunology, Dartmouth Medical School, Hanover, New Hampshire, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: PDN CDB GAO. Performed the experiments: PDN CDB. Analyzed the data: PDN CDB GAO. Contributed reagents/materials/analysis tools: HS. Wrote the paper: PDN CDB GAO.