About the Authors

Tzu-Chun Chen

Affiliation Department of Microbiology & Immunology, School of Medicine, Stanford University, Stanford, California, United States of America

Chung-Han Hsieh

Affiliation Department of Neurosurgery, School of Medicine, Stanford University, Stanford, California, United States of America

Peter Sarnow

psarnow@stanford.edu

Affiliation Department of Microbiology & Immunology, School of Medicine, 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: TCC PS. Performed the experiments: TCC. Analyzed the data: TCC PS. Wrote the paper: TCC PS. Performed the IF studies: CHH.