1. Department of Anatomy, College of Medicine University of Lagos Lagos Nigeria
2. Department of Haematology and Blood Transfusion, College of Medicine University of Lagos Lagos Nigeria
3. Department of Anatomy, Faculty of Basic Medical Sciences Bowen University Iwo Osun Nigeria
4. Department of Haematology and Blood Transfusion, Antiretroviral therapy (ART) Clinic Lagos University Teaching Hospital (LUTH) Lagos Nigeria