Funding for this research was provided by:
VLIR UOS (ZEIN2015PR415)
Received: 7 May 2018
Accepted: 21 May 2019
First Online: 28 May 2019
Ethics approval and consent to participate
: Ethical clearance was obtained for the study from the Ethics Committee of the Faculty of Health Sciences, University of the Free State (ECUFS 55/2015), and the Social Sciences Ethical Clearance Committee, University of Antwerp (SHW_15_28_04). The study was authorised by the Free State Department of Health. All participants in the study provided written informed consent, and all data were anonymised during analysis.
: Not applicable.
: The authors declare that they have no competing interests.