About the Authors

Santosh Ramkissoon

Affiliation Physics-Durban Academic Group (School of Chemistry and Physics), University of KwaZulu-Natal, Westville Campus, Durban, South Africa

Henry G. Mwambi

Affiliation School of Mathematics, Statistics and Computer Science, University of KwaZulu-Natal, Pietermaritzburg Campus, Pietermaritzburg, South Africa

Alan P. Matthews

matthewsa@ukzn.ac.za

Affiliation Physics-Durban Academic Group (School of Chemistry and Physics), University of KwaZulu-Natal, Westville Campus, Durban, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SR HGM APM. Performed the experiments: SR APM. Analyzed the data: SR HGM APM. Wrote the paper: SR HGM APM. Formulation of research question and objectives:HGM Model conception and design: SR Initial literature review: SR HGM Modelling approach: SR APM Revision of literature review, model, experiments and data analysis: APM.