Received: 6 June 2019
Accepted: 10 December 2019
First Online: 6 January 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Committee for Human Research, Faculty of Health Sciences, Stellenbosch University, on 03/10/2018, Project ID: 1427, HREC Reference #: S18/02/023. A waiver of consent from the participants was obtained from the Committee of Human Research, for the reason that this study was an audit of hospital records. Patient data were de-identified upon data collection.
: Not applicable.
: All authors declare that they have no competing interests. Thomas van den Akker and Jos Van Roosmalen are members of the editorial board (Associate Editor and Section Editor) of this journal, in order to ensure transparency, they declare that they have no competing interests.