About the Authors

Stephanie Abromaitis

Affiliation Program in Infectious Diseases and Immunity, University of California Berkeley, Berkeley, California, United States of America

Richard S. Stephens

rss@berkeley.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SA RS. Performed the experiments: SA. Analyzed the data: SA RS. Wrote the paper: SA RS.