Funding for this research was provided by:
Tertiary Education Trust Fund
World Bank/Robert S. McNamara Doctoral Fellowship (2017)
Text and Data Mining valid from 2020-03-13
Received: 27 September 2019
Accepted: 28 February 2020
First Online: 13 March 2020
Ethics approval and consent to participate
: The Research Ethics and Higher Degrees Committee of the University of the Western Cape, South Africa as well as the Health Research and Ethics Committee of the Institute of Public Health, Obafemi Awolowo University, Nigeria, gave approval for this study. Also, written consent was provided by the participants of this study.
: Not Applicable.
: The authors declare that they have no competing interests.