Received: 22 November 2019
Accepted: 26 January 2021
First Online: 15 February 2021
Ethics approval and consent to participate
: The experimental procedures conformed with the national and international standards on the use of laboratory animals in accordance with the National Institutes of Health Guide for the Care and Use of Laboratory Animals (NIH, 2011). Also, the study was approved by the ethical committee on the care and use of animal experimentation in the animal house of the Department of Anatomy Madonna University, Elele, Rivers State, Nigeria, before the commencement of this study.
: Not applicable.
: The authors declare no competing interests.