Funding for this research was provided by:
Styrelsen för Internationellt Utvecklingssamarbete (Grant No:54100113)
Consortium for Advanced Research Training in Africa, Carnegie Corporation of New York (Grant No--B 8606.R02)
the DELTAS Africa Initiative (Grant No: 107768/Z/15/Z)
Deutscher Akademischer Austauschdienst
Received: 7 May 2019
Accepted: 18 October 2019
First Online: 8 November 2019
Ethics approval and consent to participate
: Permission to conduct this study has been granted by the University of Witwatersrand Human Research Ethics Committee (M170651) and the Johannesburg District Research Committee (DRC 2017-08-0001) and registered with the South African National Health Research Database (GP2017 GP_201708_24). Informed consent will be sought from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.