Received: 22 February 2019
Accepted: 22 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: In vivo experiments were performed in accordance with international guidelines and experimental procedures performed with due approval from the Ethical Committee on Animal Studies of the university of Port Harcourt, Rivers State, Nigeria (Approval number UPH/PHARM/2017/046).
: Not applicable.
: The authors declare that they have no competing interests.