1. Department of Epidemiology and Medical Statistics, College of Medicine, University of Ibadan, Ibadan, Nigeria
2. Institute for Cardiovascular Disease, College of Medicine, University of Ibadan, Ibadan, Nigeria
3. Genetics & Bioethics Research Unit, Institute for Advanced Medical Research and Training (IAMRAT), College of Medicine, University of Ibadan, Ibadan, Nigeria
4. Department of Haematology, College of Medicine, University of Ibadan, Ibadan, Nigeria
5. Department of Paediatrics, College of Medicine, University of Ibadan, Ibadan, Nigeria
6. Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Ibadan, Ibadan, Nigeria
7. Department of Virology, College of Medicine, University of Ibadan, Nigeria
8. Sickle Cell Hope Alive Foundation (SCHAF), Ibadan, Nigeria