About the Authors

M. Lesperance

mlespera@uvic.ca

Affiliation Department of Mathematics and Statistics, University of Victoria, Victoria, Canada

W. J. Reed

Affiliation Department of Mathematics and Statistics, University of Victoria, Victoria, Canada

M. A. Stephens

Affiliation Simon Fraser University, Burnaby, Canada

C. Tsao

Affiliation Department of Mathematics and Statistics, University of Victoria, Victoria, Canada

B. Wilton

Affiliation Camosun College, Victoria, Canada

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ML WR. Performed the experiments: ML CT BW. Analyzed the data: ML. Contributed reagents/materials/analysis tools: MS. Wrote the paper: ML WR MS.