About the Authors

Gary S. Chaffey

g.chaffey@surrey.ac.uk

Affiliation Department of Mathematics, University of Surrey, Surrey, England

David J. B. Lloyd

Affiliation Department of Mathematics, University of Surrey, Surrey, England

Anne C. Skeldon

Affiliation Department of Mathematics, University of Surrey, Surrey, England

Norman F. Kirkby

Affiliation Department of Chemical Engineering, University of Surrey, Surrey, England

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GSC DJBL ACS NFK. Analyzed the data: GSC DJBL ACS. Contributed reagents/materials/analysis tools: GSC DJBL ACS. Wrote the paper: GSC DJBL ACS.