Received: 18 February 2019
Accepted: 5 May 2020
First Online: 26 May 2020
Ethics approval and consent to participate
: Ethical approval for this study was obtained from Babcock University Health Research and Ethics committee (BUHREC 002/2017). Written informed consent for the study was also obtained from all the participants.
: Not applicable.
: The authors declare that they have no competing interest.