Washaya, Norbertta
Evans, Alicia
Muloiwa, Rudzani
Smith, Peter
Buys, Heloise http://orcid.org/0000-0001-9778-8233
Article History
Received: 19 July 2020
Accepted: 11 January 2021
First Online: 18 January 2021
Ethics approval and consent to participate
: Ethical approval was obtained from the Human Research Ethics Committee of the Faculty of Health Sciences of the University of Cape Town: REF: 742/2016. Written informed consent was sought from all participating children’s parents or legal guardians. Assent was also obtained from children older than 7 years.
: Not applicable.
: The authors declare that they have no competing interests.