About the Authors
Biomedical Sciences Research Complex, School of Biology, University of St. Andrews, North Haugh, St. Andrews, Scotland, United Kingdom
Department of Virology, Institut Pasteur, Paris, France
The authors have declared that no competing interests exist.
Conceived and designed the experiments: AMS A-BF RME. Performed the experiments: AMS A-BF. Analyzed the data: AMS A-BF RME. Contributed reagents/materials/analysis tools: AMS A-BF RME. Wrote the paper: AMS RME.