About the Authors
Vector Group, Liverpool School of Tropical Medicine, Liverpool, United Kingdom
Department of Biology, University of Crete, Heraklio, Greece
The authors have declared that no competing interests exist.
Conceived and designed the experiments: MP JV. Performed the experiments: EM AJD SR. Analyzed the data: EM AJD JV. Contributed reagents/materials/analysis tools: AS JH HR. Wrote the paper: HR MP JV.