1. Department of Haematology and Blood Transfusion, College of Medicine University of Lagos Idi‐Araba Lagos Nigeria
2. Sickle Cell Foundation Nigeria Idi‐Araba Lagos Nigeria
3. School of Cancer and Pharmaceutical Sciences King's College London London UK
4. Haematology/Oncology Unit, Department of Medicine, College of Medicine University of Lagos Idi‐Araba Lagos Nigeria