Received: 25 January 2019
Accepted: 23 December 2019
First Online: 23 January 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Faculty of Health Sciences, University of the Free State. Data was collected as part of routine management processes. No personal identifying information is revealed.
: Not applicable.
: BM was the Member of the Executive Council for Health and PC and WHK employees of the Free State Department of Health at the time of the study. JCH and NGK declare they have no competing interests.