1. Department of Medical Laboratory Sciences, School of Medicine, Moi University, PO Box 4606-30100, Eldoret, Kenya
2. Department of Pathology (Hematology and Blood Transfusion), School of Medicine, Moi University, PO Box 4606-30100, Eldoret, Kenya
3. Directorate of Pathology and Laboratory Services, Moi Teaching and Reference Hospital, PO Box 3-30100, Eldoret, Kenya
4. Department of Microbiology and Parasitology, School of Medicine, Moi University, PO Box 4606-30100, Eldoret, Kenya