About the Authors

Nancy Van Prooyen

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

C. Allen Henderson

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

Davina Hocking Murray

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

Anita Sil

sil@cgl.ucsf.edu

Affiliations Department of Microbiology and Immunology, University of California San Francisco, San Francisco, California, United States of America, Howard Hughes Medical Institute, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NVP CAH DHM AS. Performed the experiments: NVP CAH DHM. Analyzed the data: NVP CAH DHM AS. Contributed reagents/materials/analysis tools: NVP CAH DHM. Wrote the paper: NVP DHM AS.