1 Department of Haematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences (MUHAS), Dar-es-Salaam, Tanzania. jmakani@blood.ac.tz.
2 Sickle Cell Programme, Department of Haematology and Blood Transfusion, School of Medicine, MUHAS, Dar-es-Salaam, Tanzania. jmakani@blood.ac.tz.
3 Sickle Pan-African Consortium (SPARCO) Clinical Coordinating Centre, SickleInAfrica, Muhimbili University of Health and Allied Sciences (MUHAS), Dar-es-Salaam, Tanzania. jmakani@blood.ac.tz.
4 Sickle Cell Programme, Department of Haematology and Blood Transfusion, School of Medicine, MUHAS, Dar-es-Salaam, Tanzania.
5 Sickle Pan-African Consortium (SPARCO) Clinical Coordinating Centre, SickleInAfrica, Muhimbili University of Health and Allied Sciences (MUHAS), Dar-es-Salaam, Tanzania.
6 Department of Biochemistry, Muhimbili University of Health and Allied Sciences (MUHAS), Dar-es-Salaam, Tanzania.
7 Tanzania Society of Human Genetics, Dar-es-Salaam, Tanzania.
8 National Human Genome Research Institute (NHGRI), National Institutes of Health (NIH), Bethesda, USA.
9 Department of Haematology and Blood Transfusion, Muhimbili University of Health and Allied Sciences (MUHAS), Dar-es-Salaam, Tanzania.