Funding for this research was provided by:
Inyuvesi Yakwazulu-Natali (CHS207512189)
Programme Grants for Applied Research (UoERef:CT-4987(d))
Department for International Development (RSORef:CT-4987(c)LSRefMED2259)
Received: 17 June 2019
Accepted: 3 September 2019
First Online: 7 October 2019
Ethics approval and consent to participate
: Ethical clearance was obtained from the University of KwaZulu-Natal Biomedical Research Ethics Committee (reference number: BE403/18) and the KwaZulu-Natal Department of Health Research Committee (reference number NHRD_201809_007).Written consent was provided by the experts that were interviewed orally while verbal content was provided by those that were interviewed telephonically. These methods of consent were pre-approved by the relevant research ethics committees.
: Not applicable.
: The authors declare no that they have no competing interests.