1. Department of Biomedical Sciences, School of Public Health, Maseno University, Maseno, Kenya;
2. Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya;
3. Department of Pathology, Kenyatta University, Nairobi, Kenya;
4. Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, Georgia;
5. Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, Georgia,
6. Department of Microbiology, University of Georgia, Athens, Georgia