About the Authors

Rebecca S. Shapiro

Affiliation Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada

Aimee K. Zaas

Affiliations Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America, Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

Marisol Betancourt-Quiroz

Affiliation Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America

John R. Perfect

Affiliations Department of Medicine, Duke University Medical Center, Durham, North Carolina, United States of America, Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, North Carolina, United States of America

Leah E. Cowen

leah.cowen@utoronto.ca

Affiliation Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada

Competing Interests

Leah E. Cowen is a PLoS Editorial Board member. This does not alter the authors' adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: RSS LEC. Performed the experiments: RSS AKZ MBQ. Analyzed the data: RSS. Contributed reagents/materials/analysis tools: JRP. Wrote the paper: RSS LEC.