Funding for this research was provided by:
National Research Foundation
Received: 30 July 2019
Accepted: 18 September 2019
First Online: 23 September 2019
Ethics approval and consent to participate
: Ethics approval for the initial data collection [CitationRef removed, CitationRef removed] was obtained from the then University of the North [CitationRef removed] and the current University of Limpopo [CitationRef removed] Research Ethics Committees (SREC 2006/459). The participants recruited into the original studies were informed about the study objectives, expected outcomes, benefits and the risks associated with it. Written informed consent was obtained from the participants prior to interviews and measurements.
: Not applicable.
: The author declares no competing interests.