Funding for this research was provided by:
Cancer Association of South Africa
Cancer Research Initiative of South Africa
University of Cape Town, Faculty of Health Sciences
Text and Data Mining valid from 2019-01-07
Received: 14 May 2018
Accepted: 20 December 2018
First Online: 7 January 2019
Ethics approval and consent to participate
: Written informed consent was obtained from all participants. Ethical approval to conduct the study was obtained from the Human Research Ethics Committee, University of Cape Town, ethics reference number 430/2013.
: Not applicable.
: The authors declare that they have no competing interests.
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