Received: 5 January 2020
Accepted: 5 August 2020
First Online: 14 September 2020
Ethics approval and consent to participate
: The research was performed in accordance with the Declaration of Helsinki. The Authors complied with the IUCN Policy Statement on Research Involving Species at Risk of Extinction and the Convention on the Trade in Endangered Species of Wild Fauna and Flora. Ethical approval to carry out the research was granted by the Joint Research Ethical Committee for the University of Zimbabwe, College of Health Sciences and the Parirenyatwa Group of Hospitals (JREC) and Medicine Research Council of Zimbabwe (MRCZ). The corresponding approval numbers are JREC/196/18 and A/2439, respectively. Informed consent to participate in the study was obtained from the participants and all the participants signed the informed consent forms.
: Not applicable.
: None declared.