1. Department of Chemical Pathology, Obafemi Awolowo University, Ile-Ife, Nigeria
2. State Specialist Hospital, Ile-Ife, Nigeria
3. Department of Chemical Pathology, Benue State University, Makurdi, Nigeria
4. Department of Chemical Pathology, Ekiti State University, Ado-Ekiti, Nigeria
5. Department of Medicine (Neurology Unit), Obafemi Awolowo University, Ile-Ife, Nigeria
6. Department of Chemical Pathology, Federal Medical Centre, Ido-Ekiti, Nigeria