About the Authors

Brian J. North

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

Eric Verdin

To whom correspondence should be addressed. E-mail: everdin@gladstone.ucsf.edu

Affiliation Gladstone Institute of Virology and Immunology, University of California at 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: EV BN. Performed the experiments: BN. Analyzed the data: EV BN. Contributed reagents/materials/analysis tools: BN. Wrote the paper: EV BN.