Funding for this research was provided by:
Cancer Association of South Africa
University of Cape Town, Faculty of Health Sciences
Text and Data Mining valid from 2018-03-21
Received: 10 October 2017
Accepted: 13 March 2018
First Online: 21 March 2018
: The authors declare that they have no competing interests.
: Ethical approval to conduct the study was obtained from the Human Research Ethics Committee, University of Cape Town (Reference number 313/2013). Written informed consent was obtained from all participants.
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