1. Department of Hematology, Bayero University/Aminu Kano Teaching Hospital, Kano, Nigeria
2. Department of Pediatrics, Centre for Infectious Diseases Research, Bayero University/Aminu Kano Teaching Hospital, Kano, Nigeria
3. Department of Hematology and Blood Transfusion, Usmanu Danfodiyo University Teaching Hospital, Sokoto, Nigeria
4. Department of Global Pediatrics Medicine and Hematology, St. Jude Children's Research Hospital, Memphis, TN, USA
5. Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, TN, USA
6. African Centre for Population, Health and Dialogue, Bayero University Kano, Nigeria
7. Department of Administration, Aminu Kano Teaching Hospital, Kano, Nigeria
8. Department of Mathematical Sciences, Bayero University Kano, Nigeria
9. Center for Islamic Civiliasation and Interfaith Dialogue, Bayero University Kano, Nigeria
10. Department of Pediatrics, Murtala Mohammed Specialist Hospital, Kano, Nigeria
11. Department of Medicine, Division of Hematology and Oncology, University of Alabama at Birmingham, Birmingham, AL, USA
12. Department of Pediatrics, Division of Hematology and Oncology, Vanderbilt-Meharry-Matthew Walker Center of Excellence in Sickle Cell Disease, Vanderbilt University Medical Center, Nashville, TN, USA