1. Child Health and Development Centre, Makerere University, Kampala, Uganda
2. Mulago Hospital, Kampala, Uganda
3. University Health Network Laboratory Medicine Program, University of Toronto, Toronto, Canada
4. Uganda Cancer Institute, Makerere University, Kampala, Uganda
5. Uganda National Blood Transfusion Service, Kampala, Uganda
6. Mulago Hospital Department of Paediatrics, Makerere University, Kampala, Uganda
7. Blood Transfusion Service, Harvard Medical School, Massachusetts General Hospital, Boston