1. Department of Biochemistry, Osun State University, Osogbo, Nigeria
2. Department of Chemistry and Biochemistry, Wichita State University, Wichita, KS, USA
3. Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA
4. Department of Anatomy, Faculty of Basic Medical Sciences, Osun State University, Osogbo, Nigeria
5. Veterinary Physiology and Pharmacology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, USA
6. Phytochemical research unit, Royal Scientific Research Institute, Osogbo, Nigeria