About the Authors
- Aris Katzourakis
- Department of Zoology, University of Oxford, Oxford, United Kingdom
- Robert J. Gifford
- Aaron Diamond AIDS Research Center, New York, New York, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: AK RJG. Performed the experiments: AK RJG. Analyzed the data: AK RJG. Contributed reagents/materials/analysis tools: AK RJG. Wrote the paper: AK RJG.