Funding for this research was provided by:
National Research Foundation (113416, 109084, NRF-DAAD)
University of Cape Town (Health Sciences and Neuroscience Institute fellowships)
Article History
Received: 25 August 2020
Accepted: 27 November 2020
First Online: 11 December 2020
Ethics approval and consent to participate
: The study was approved by the University of Cape Town Human Research Ethics Committee (HREC 257/2012) and all participants provided informed written consent.
: All persons participating in this study agreed to their anonymous data being published and shared.
: The authors declare that they have no competing interests.