Funding for this research was provided by:
Received: 18 January 2018
Accepted: 8 November 2018
First Online: 29 November 2018
: Authors qualifications:ZM: Zandile Masango-Muzindutsi, B. Soc Sci, B Soc Sci (Hons), MA (Development Studies).LH: Lyn Haskins, MTech (Nursing).AW: Aurene Wilford, MA (Research Psychology).CH: Christiane Horwood, MB.BS, MRCGP, MPH, PhD.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.