Text and Data Mining valid from 2019-07-09
Received: 9 September 2018
Accepted: 30 June 2019
First Online: 9 July 2019
Ethics approval and consent to participate
: Permission to carry out this study was sought from Africa University Research Ethics Committee (Approval Number: 315/17. Date of approval: 20/12/17) as well as The Provincial Medical Director of Matabeleland South Province.
: Not applicable.
: The authors declare that they have no competing interests.