About the Authors
Department of Immunology and Microbial Science, The Scripps Research Institute, La Jolla, California, United States of America
Department of Molecular Physiology and Biophysics, Vanderbilt University Medical Center, Nashville, Tennessee, United States of America
Institute of Human Virology, University of Maryland School of Medicine, Baltimore, Maryland, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: JGS GRN PLS. Performed the experiments: JGS MS SL. Analyzed the data: JGS MS GRN PLS. Contributed reagents/materials/analysis tools: WL. Wrote the paper: JGS GRN PLS.