1. Ghana Institute of Clinical Genetics Korle Bu Teaching Hospital Accra Ghana
2. Department of Hematology Korle Bu Teaching Hospital Accra Ghana
3. Department of Hematology University of Ghana Medical School Accra Ghana
4. Department of Obstetrics and Gynecology Korle Bu Teaching Hospital Accra Ghana
5. Department of Obstetrics and Gynecology University of Ghana Medical School Accra Ghana
6. Department of Physiology University of Ghana Medical School Accra Ghana
7. Department of Anesthesia Korle Bu Teaching Hospital Accra Ghana
8. Vanderbilt‐Meharry, Center of Excellence in Sickle Cell Disease Vanderbilt University Medical Center Nashville Tennessee
9. Duke University Durham North Carolina
10. Statistical Consultant Chicago Illinois