Davidson, Christy L. http://orcid.org/0000-0002-3638-6932
Nel, Chané http://orcid.org/0000-0003-4047-6356
Bernitz, Herman http://orcid.org/0000-0003-1361-1225
van Staden, Paul J. http://orcid.org/0000-0002-5710-5984
Uys, André http://orcid.org/0000-0001-8250-7662
Article History
Received: 19 October 2020
Accepted: 3 February 2021
First Online: 15 February 2021
Declarations
:
: This study was approved by the Research Ethics Committee, Faculty of Health Sciences of the University of Pretoria. Protocol number 215/2018.
: Not applicable
: All authors consent for publication.
: The authors declare that they have no conflict of interest.