About the Authors
- Vanessa A. Marrero
- Department of Genetics and Development, Columbia University Medical Center, New York, New York, United States of America
- Lorraine S. Symington
- Department of Microbiology and Immunology, Columbia University Medical Center New York, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: VAM LSS. Performed the experiments: VAM. Analyzed the data: VAM LSS. Wrote the paper: VAM LSS.