About the Authors

Keith Malcolm Smith

Roles Conceptualization, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft, Writing – review & editing

keith.m.smith@strath.ac.uk

Affiliation Department of Computer and Information Sciences, University of Strathclyde, Glasgow, United Kingdom

Jason P. Smith

Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

Affiliation Department of Mathematics, Nottingham Trent University, Nottingham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.