About the Authors

Sarah L. Warnes

s.l.warnes@soton.ac.uk

Affiliation Centre for Biological Sciences, University of Southampton, Southampton, United Kingdom

C. William Keevil

Affiliation Centre for Biological Sciences, University of Southampton, Southampton, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SLW CWK. Performed the experiments: SLW. Analyzed the data: SLW CWK. Wrote the paper: SLW.