Funding for this research was provided by:
South African Medical Research Council
Text and Data Mining valid from 2018-04-18
Received: 12 October 2017
Accepted: 11 April 2018
First Online: 18 April 2018
Ethics approval and consent to participate
: The study received approval from the Institutional Review Board (IRB) of icddr,b and the South African Medical Research Council Ethics Committee. Individual verbal consent to participate in the study was sought by the interviewer prior to the interview with each study participant.
: The authors declare that they have no competing interests.
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