[1] Univ Manchester, Fac Biol Med & Hlth, Sch Biol Sci, Div Neurosci, Manchester M13 9PL, England
[2] Ahmadu Bello Univ, Fac Pharmaceut Sci, Dept Pharmacol & Therapeut, Zaria 810107, Nigeria
[3] Usmanu Danfodiyo Univ, Coll Hlth Sci, Fac Clin Sci, Dept Pharmacol & Therapeut, Sokoto 840001, Nigeria
[4] Nottingham Trent Univ, Sch Sci & Technol, Dept Biosci, Nottingham NG11 8NS, England
[5] Kaduna State Univ, Fac Pharmaceut Sci, Dept Pharmacol & Toxicol, Kaduna 800283, Nigeria
[6] Jiangxi Univ Tradit Chinese Med, Dept Pharmacol & Toxicol, Nanchang 330004, Peoples R China