Funding for this research was provided by:
United States Agency for International Development (AID-OAA-TO-11-00060)
Text and Data Mining valid from 2018-09-14
Received: 21 July 2017
Accepted: 5 September 2018
First Online: 14 September 2018
Ethics approval and consent to participate
: Before study implementation all study protocols and instruments were approved by the Institutional Review Board of the Population Council in New York City, United States; the Ethics Committee of the University of Pretoria, South Africa; and the research ethics committee of Mpumalanga Province. Healthcare providers, supervisors and facility managers provided informed consent before they were interviewed.
: Not applicable.
: The authors declare that they have no competing interests.
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