1. Natural Products/Medicinal Chemistry Unit, Department of Chemistry, University of Ibadan, Ibadan, Nigeria
2. Department of Chemistry, Faculty of Science, Federal University Lokoja, Lokoja, Nigeria
3. H.E.J. Research Institute of Chemistry, International Centre for Chemical and Biological Sciences (ICCBS), University of Karachi, Karachi, Pakistan
4. Dr. Panjwani Center for Molecular Medicine and Drug Research International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
5. Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Nigeria
6. Multi-Disciplinary Research Lab. Bahria University, Medical and Dental College, Karachi, Pakistan