About the Authors

Michael A. Brockhurst

To whom correspondence should be addressed. E-mail: michael.brockhurst@liv.ac.uk

Affiliation School of Biological Sciences, University of Liverpool, Liverpool, United Kingdom

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

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