1. Department of Biochemistry College of Natural Sciences Michael Okpara University of Agriculture Umudike, Umuahia Abia State Nigeria
2. Biochemistry Programme Department of Chemical sciences Faculty of Science Clifford University Owerrinta Abia State Nigeria
3. School of Science and Technology Department of Pharmacology Nottingham Trent University Nottingham UK
4. Department of Pharmacology College of Veterinary Medicine Michael Okpara University of Agriculture Umudike, Umuahia Abia State Nigeria