1. Department of Veterinary Microbiology, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
2. Environmental Microbiology and Biotechnology Laboratory, Department of Microbiology, University of Ibadan, Nigeria. Molecular Biology and Biotechnology Laboratory, Department of Microbiology, University of Ibadan, Ibadan, Nigeria
3. Department of Pharmaceutical Microbiology, University of Ibadan, Ibadan, Nigeria