1. Computational and Bio-simulation Research Group, University of Calabar, Calabar, Nigeria
2. Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria
3. Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam 603103, Tamil Nadu, India
4. Department of Microbiology, University of Calabar, Calabar, Nigeria