About the Authors
Viral-Immunobiology Laboratory, Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MBAO DBM KHE. Performed the experiments: KHE DBM JTC MJW. Analyzed the data: MBAO KHE DBM MJW. Contributed reagents/materials/analysis tools: MBAO DBM. Wrote the paper: MBAO.