Ruhanya, Vurayai
Jacobs, Graeme Brendon
Nyandoro, George
Paul, Robert H.
Joska, John A.
Seedat, Soraya
Glashoff, Richard Helmuth
Engelbrecht, Susan
Funding for this research was provided by:
Poliomyelitis Research Foundation (17/07)
Article History
Received: 30 April 2020
Revised: 12 June 2020
Accepted: 6 July 2020
First Online: 31 July 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.