About the Authors

Andile Khathi

Affiliation School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa

Metse R. Serumula

Affiliation School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa

Rene B. Myburg

Affiliation School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa

Fanie R. Van Heerden

Affiliation School of Chemistry and Physics, University of KwaZulu-Natal, Durban, South Africa

Cephas T. Musabayane

musabayanec@ukzn.ac.za

Affiliation School of Laboratory Medicine and Medical Sciences, University of KwaZulu-Natal, Durban, South Africa

Competing Interests

Professor Cephas Musabayane is a PLOS ONE Editorial Board member who confirms that this does not alter his adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: AK MRS RBM FRVH CTM. Performed the experiments: AK MRS RBM FRVH CTM. Analyzed the data: AK MRS RBM FRVH CTM. Contributed reagents/materials/analysis tools: AK MRS RBM FRVH CTM. Wrote the manuscript: AK MRS RBM FRVH CTM.