About the Authors

Alexandre Costa

Current address: School of Public Health, University of California, Berkeley, California, United States of America

Affiliation Department of Microbiology and Immunology, Stanford University, Stanford, California, United States of America

Eric Jan

Current address: Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada

Affiliation Department of Microbiology and Immunology, Stanford University, Stanford, California, United States of America

Peter Sarnow

Affiliation Department of Microbiology and Immunology, Stanford University, Stanford, California, United States of America

David Schneider

dschneider@stanford.edu

Affiliation Department of Microbiology and Immunology, Stanford University, Stanford, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ASC EJ PS DSS. Performed the experiments: ASC. Analyzed the data: ASC EJ. Contributed reagents/materials/analysis tools: ASC EJ PS DSS. Wrote the paper: ASC EJ PS DSS.