About the Authors

Iwona Bucior

Affiliations Department of Medicine, University of California San Francisco, San Francisco, California, United States of America, Microbial Pathogenesis and Host Defense Program, University of California San Francisco, San Francisco, California, United States of America

Julia F. Pielage

Affiliations Department of Medicine, University of California San Francisco, San Francisco, California, United States of America, Microbial Pathogenesis and Host Defense Program, University of California San Francisco, San Francisco, California, United States of America

Joanne N. Engel

Jengel@medicine.ucsf.edu

Affiliations Department of Medicine, University of California San Francisco, San Francisco, California, United States of America, Microbial Pathogenesis and Host Defense Program, University of California San Francisco, San Francisco, California, United States of America, Department of Microbiology and Immunology, University of California San Francisco, 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: IB. Performed the experiments: IB JFP. Analyzed the data: IB. Contributed reagents/materials/analysis tools: JNE. Wrote the paper: IB JNE.