1. WHO/TDR Malaria Specimen Bank Collection Site, Tropical Diseases Research Laboratory, Department of Medical Microbiology and Parasitology, College of Medicine of the University of Lagos, Nigeria.
2. Malaria Research Laboratory, Nigerian Institute of Medical Research, P.M.B. 2013 Yaba, Lagos, Nigeria.
3. Department of Obstetrics and Gynecology, College of Medicine of the University of Lagos, Nigeria.