About the Authors

Neil J. Gemmell

To whom correspondence should be addressed. E-mail: neil.gemmell@canterbury.ac.nz

Affiliation School of Biological Sciences, University of Canterbury, Christchurch, New Zealand

Jon Slate

Affiliation Department of Animal and Plant Sciences, University of Sheffield, Sheffield, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NG JS. Performed the experiments: NG JS. Analyzed the data: NG JS. Contributed reagents/materials/analysis tools: NG JS. Wrote the paper: NG JS.