1. Department of Pharmacology and Clinical Pharmacy, Niger Delta University, Amassoma, Bayelsa State, Nigeria
2. Department of Pharmacology, Faculty of Pharmaceutical Sciences, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
3. Department of Pharmacology and Toxicology, Faculty of Pharmaceutical Sciences, University of Nigeria, Nsukka, Enugu State, Nigeria