About the Authors

Georgina Caller

Affiliation Department of Biological Sciences, Macquarie University, Sydney, Australia

Culum Brown

Culum.Brown@mq.edu.au

Affiliation Department of Biological Sciences, Macquarie University, Sydney, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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