1. Department of Community Medicine, College of Health Sciences, Osun State University Osogbo, Osun State, Nigeria
2. Central Laboratory Unit, Osun State Hospital Management Board, Osogbo, Osun State, Nigeria
3. Biomedical Sciences Department, Ladoke Akintola University of Technology, Osogbo, Nigeria
4. Department of Physiology, College of Medicine, University of Ibadan, Nigeria