1. Department of Pharmaceutical Microbiology and Biotechnology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria
2. Department of Applied Sciences, Faculty of Pure and Applied Sciences, Federal College of Dental Technology and Therapy, Trans-Ekulu, Nigeria
3. Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra, Nigeria