1. Biological Sciences, School of Life Sciences, University of KwaZulu-Natal, Durban, South Africa
2. Ezintsha, Faculty of Health Sciences, University of the Witwatersrand Johannesburg Johannesburg, South Africa
3. Department of Biotechnology and Food Technology, Durban University of Technology, Durban, South Africa
4. Research and Development, Star Hi Herbs Pvt Ltd, K. I. A. D. B, Bangalore, Karnataka, India