About the Authors

Matthew J Simpson

matthew.simpson@qut.edu.au

Affiliation Mathematical Sciences, Queensland University of Technology, Brisbane, Australia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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