1. Department of Microbiology, Mbarara University of Science and Technology, P.O. Box 1410 Mbarara, Uganda
2. Department of Microbiology and Immunology, Kampala International University Western Campus, P.O. Box 71, Bushenyi, Uganda
3. Department of Biochemistry, School of Medicine, Kabale University, P.O. Box 317, Kabale, Uganda