About the Authors

Vanessa A. Marrero

Affiliation Department of Genetics and Development, Columbia University Medical Center, New York, New York, United States of America

Lorraine S. Symington

lss5@columbia.edu

Affiliation Department of Microbiology and Immunology, Columbia University Medical Center New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: VAM LSS. Performed the experiments: VAM. Analyzed the data: VAM LSS. Wrote the paper: VAM LSS.