1. Department of Microbiology, College of Natural Sciences, Michael Okpara University of Agriculture Umudike, Abia State, Nigeria.
2. Department of Microbiology, Faculty of Natural Sciences, University of Jos, Plateau State, Nigeria.
3. Africa Centre of Excellence in Phytomedicine Research and Development, University of Jos, Plateau State, Nigeria.
4. Department of Science Laboratory Technology, Faculty of Natural Sciences, University of Jos, Plateau State, Nigeria.
5. Department of Microbiology, Faculty of Natural and Applied Sciences, Plateau State University, Plateau State, Nigeria.