Received: 8 February 2019
Accepted: 23 June 2020
First Online: 2 July 2020
Ethics approval and consent to participate
: Ethical approval to conduct the study was obtained from the University Of Zambia Biomedical Research Ethics Committee IRB00001131 Of IORG0000777. Written informed consent was obtained from each participants before administering the questionnaire.
: Not applicable.
: The authors declare that they have no competing interests.