Funding for this research was provided by:
FP7 Ideas: European Research Council (FED/2013/329272)
Technology and Innovation Agency South Africa (CSIR-UP)
Received: 21 January 2019
Accepted: 5 September 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: Because in Zimbabwe no special permission is required for the collection of plant material for local research, no ethical approval was required for this study. All the traditional healers agreed that their information could be used for this study. No licenses were required for this work.
: Not applicable.
: The authors declare that they have no competing interests.