Received: 1 June 2020
Accepted: 13 July 2020
First Online: 10 September 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the joint University of Ibadan and University College Hospital Ethics Review Committee (UI/EC/18/0432). Verbal consent to participate was obtained from each respondent for the study. A verbal consent was obtained in each instance since this was a survey, which involved no personal data collection.
: Consent was obtained from each respondent to participate in the study.
: The author declares that he has no competing interests.