1. Department of Radiology and Imaging, Muhimbili University of Health and Allied Sciences;
2. Developmental Neurosciences, Section and Biomedical Research Centre, University College London, Great Ormond Street Institute of Child Health, London, United Kingdom;
3. Department of Medical Physics and Biomedical Engineering, University College London, London, United Kingdom;
4. Muhimbili Sickle Cell Program;
5. Mwananyamala Hospital;
6. University Hospital Southampton, Southampton, United Kingdom; and
7. Department of Hematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences