1. Department of Haematology College of Medicine and Health Sciences Afe Babalola University Ado Ekiti Nigeria
2. Blood Transfusion Services Afe Babalola Multisystem Hospital Ado Ekiti Nigeria
3. Department of Medical Laboratory Science College of Medicine and Health Sciences Afe Babalola University Ado Ekiti Nigeria
4. Department of Chemical Pathology College of Medicine and Health Sciences Afe Babalola University Ado Ekiti Nigeria