1. Department of Paediatrics, Bowen University Iwo and Bowen University Teaching Hospital, Ogbomoso, Nigeria
2. Department of Paediatrics, University of Ilorin Teaching Hospital, Ilorin, Nigeria
3. Department of Haematology, Bowen University Iwo and Bowen University Teaching Hospital, Ogbomoso, Nigeria
4. Department of Paediatrics, Osun State University and Uniosun Teaching Hospital, Osogbo, Nigeria
5. Department of Obstetrics and Gynaecology, General Hospital, Ilorin, Nigeria
6. Department of Human Physiology, Bowen University, Iwo, Nigeria