van der Zalm, M. M.
Walters, E.
Claassen, M.
Palmer, M.
Seddon, J. A.
Demers, A.M.
Shaw, M. L.
McCollum, E. D.
van Zyl, G. U.
Hesseling, A. C.
Funding for this research was provided by:
European and Developing Countries Clinical Trials Partnership (99726)
South African Medical Research Council (scholarship)
Medical Research Council (MR/R007942/1)
Article History
Received: 7 January 2020
Accepted: 24 November 2020
First Online: 4 December 2020
Ethics approval and consent to participate
: The Human Research Ethics Committee (HREC N15/04/034) of the Faculty of Health Sciences, Stellenbosch University, South Africa approved this study). Parents/legal caregivers gave written informed consent for participation in the study, and assent was obtained from children older than 7 years of age who showed adequate understanding.
: Not applicable.
: The authors declare that they have no competing interests.