Received: 19 October 2019
Accepted: 10 June 2020
First Online: 9 July 2020
Ethics approval and consent to participate
: Prior ethical approval to conduct this study was obtained from the Research Ethics Committee of University of Calabar Teaching Hospital, Calabar on 8 March, 2019, and reference number UCTH/HREC/33/665. Informed and written consent was obtained from participants before data collection.
: Not applicable. There is no individual person’s data in this work.
: The authors declare that they have no competing interests.