About the Authors
Department of Zoology, University of Cambridge, Cambridge, United Kingdom
Biology and Environmental Science, School of Life Sciences, University of Sussex, Brighton, United Kingdom
The authors have declared that no competing interests exist.
JEN, JCA, and SBL conceived and designed the experiments. JEN and JCA performed the experiments. JEN, JCA, and SBL analysed the data. JCA contributed reagents/materials/analysis tools. JEN, JCA, and SBL wrote the paper.