1. Department of Medical Biochemistry, University of Benin, Benin, Nigeria
2. Department of Pure and Industrial Chemistry, Faculty of Physical Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria
3. Catalysis and Peptide Research Unit, School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
4. Department of Chemistry, University of Uyo, Uyo, Nigeria
5. Department of Biochemistry, University of Benin, Benin, Nigeria
6. International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan