1. DNA Laboratory, Sickle Cell Foundation Nigeria, Lagos, Nigeria
2. Department of Haematology and Blood Transfusion, College of Medicine, University of Lagos, Lagos, Nigeria
3. School of Life and Health Sciences, Aston University, Birmingham, UK
4. Department of Molecular Biology and Biotechnology, Nigerian Institute of Medical Research, Lagos, Nigeria
5. Department of Paediatrics, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait