1. Haematology and Blood Transfusion Department, National Hospital, Abuja, Nigeria
2. Laboratory Department, Asokoro District Hospital, Abuja, Nigeria
3. Department of Medical Laboratory Science, Babcock University, Nigeria
4. Family Medicine Department, General Hospital Lagos, Lagos State Health service commission
5. Department of Haematology and Immunology, University of Medical Sciences, Ondo State, Nigeria
6. Compliance and Laboratory Department, Akesis Health, Abuja Nigeria
7. Public Health Department, University of Central Nicaragua, Nicaragua
8. Department of Research and Development, Fescosof Data Solutions, Nigeria
9. Grant Management and Laboratory Unit, Lagos State Ministry of Health (LSMOH)
10. School of Business (OHS), Loughborough University, United Kingdom