Funding for this research was provided by:
National Research Foundation (N00591)
National Research Foundation (N00375)
National Research Foundation (N00903)
National Research Foundation (N01716)
Cancer Association of South Africa (AOV741)
Cancer Association of South Africa (AOW228)
Article History
Received: 23 May 2019
Accepted: 27 August 2019
First Online: 31 August 2019
Compliance with ethical standards
:
: The authors declare no conflict of interest.