1. Department of Veterinary Medicine, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Oyo State, Nigeria
2. Department of Microbiology, University of Lagos, Akoka, Lagos State, Nigeria
3. Department of Microbiology, Olabisi Onabanjo University, Nigeria
4. Division of Pathology, ICAR-Indian Veterinary Research Institute, Bareilly, U.P, India