1. Edward Francis Small Teaching Hospital, Banjul, The Gambia
2. Department of Paediatrics and Child Health, Obafemi Awolowo University, Ile-Ife, Nigeria
3. Nursing Unit, Bwian General Hospital, Banjul, The Gambia
4. American International University West Africa, Serrekunda, The Gambia
5. Centre of Excellence for Sickle Cell Disease Research and Training, University of Abuja, Abuja, Nigeria