Received: 12 November 2019
Accepted: 3 April 2020
First Online: 16 April 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Health Research Ethics Committee of the University of Nigeria Teaching Hospital. Participants were informed of the purpose of the research and their rights as participants to voluntary participation, anonymity, and confidentiality. Written consent was obtained from all participants.
: Not applicable
: The authors declare that they have no competing interests.