1. Medical Microbiology and Parasitology, College of Health Sciences,Obafemi Awolowo University College of Health Sciences, Ile-Ife, Nigeria
2. Medical Microbiology and Parasitology, University College Hospital Ibadan, Ibadan, Nigeria
3. Department of Microbiology, Faculty of Science, Obafemi Awolowo University (OAU), Ile-Ife, Nigeria