About the Authors

Hinke M. Osinga

Affiliation Department of Mathematics, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand

James A. R. Marshall

James.Marshall@sheffield.ac.uk

Affiliation Department of Computer Science, University of Sheffield, Sheffield S1 4DP, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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