About the Authors
- Jonathan Cox, Heidi E. Brown, Rebeca Rico-Hesse
- Virology and Immunology, Southwest Foundation for Biomedical Research, San Antonio, Texas, United States of America
- Heidi E. Brown
- School of Geography and Development, University of Arizona, Tucson, Arizona, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JC RR-H. Performed the experiments: JC HEB. Analyzed the data: JC HEB. Wrote the paper: JC HEB RR-H.