Funding for this research was provided by:
Tertiary Education Trust Fund (FUT/DVC (Acad.)/GEN 92/51)
Text and Data Mining valid from 2018-08-02
Received: 11 January 2018
Accepted: 17 July 2018
First Online: 2 August 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interests.
: All institutional and national guidelines for the care and use of laboratory animals were followed.