About the Authors

Khaoula Bourara

Affiliation Gladstone Institute of Virology and Immunology, University of California San Francisco, San Francisco, California, United States of America

Teri J Liegler

Affiliation Department of Medicine, University of California San Francisco, San Francisco, California, United States of America

Robert M Grant

To whom correspondence should be addressed. E-mail: robert.grant@ucsf.edu

Affiliations Gladstone Institute of Virology and Immunology, University of California San Francisco, San Francisco, California, United States of America , Department of Medicine, 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

All authors conceived and designed the experiments and analyzed the data. KB performed the experiments and contributed reagents/materials/analysis tools. KB and RMG wrote the paper.