About the Authors

Nevil J Singh

To whom correspondence should be addressed. E-mail: ns117r@nih.gov

Affiliation Laboratory of Cellular and Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Chuan Chen

Affiliation Laboratory of Cellular and Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Ronald H Schwartz

Affiliation Laboratory of Cellular and Molecular Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

NJS and RHS conceived and designed the experiments. NJS and CC performed the experiments. NJS and CC analyzed the data. RHS contributed reagents/materials/analysis tools. NJS wrote the paper.