1 Research, Planning, Monitoring and Evaluation, National Blood Service Ghana, Accra, Ghana; Centre for Science and Health Communication, PMB M71, Accra, Ghana. Electronic address: lucyasamoah@yahoo.com.
2 Research Program on Health Communication and Public Engagement, Department of Public Health, Falk College, Syracuse University, Syracuse, NY, USA; Centre for Science and Health Communication, Accra, Ghana.
3 Division of Pathology and Laboratory Medicine, Children's National Hospital, Washington, DC, USA; Department of Pathology and Pediatrics, George Washington University Health Sciences, Washington, DC, USA.
5 Faculty of Medicine and Biomedical Sciences, University of Yaoundé I, Hematology and Blood Transfusion Unit, University Teaching Hospital, Yaoundé, Cameroon.
6 Centre for Capacity Research, Liverpool School of Tropical Medicine, Liverpool, UK.