About the Authors

Kevin Earland

kee8@aber.ac.uk

Affiliation Department of Computer Science/Aberystwith University, Wales, United Kingdom

Mark Lee

Affiliation Department of Computer Science/Aberystwith University, Wales, United Kingdom

Patricia Shaw

Affiliation Department of Computer Science/Aberystwith University, Wales, United Kingdom

James Law

Affiliation Department of Computer Science/Aberystwith University, Wales, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KE ML JL PS. Performed the experiments: KE ML. Analyzed the data: KE ML JL PS. Contributed reagents/materials/analysis tools: KE ML JL PS. Wrote the paper: KE ML JL PS. Designed the software used in experiments: KE ML.