About the Authors

Muhammad Ehsanul Hoque


Affiliation Department of Public Health, School of Health Care Sciences, University of Limpopo (Medunsa Campus), Pretoria, South Africa

Shanaz Ghuman

Affiliation Department of Environmental Health, Mangosuthu University of Technology, Durban, South Africa

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

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