Funding for this research was provided by:
H2020 Health (733391)
FP7 Research and Technological Development (266417)
Received: 23 October 2019
Accepted: 11 March 2020
First Online: 26 March 2020
Ethics approval and consent to participate
: The study was reviewed and approved by the University of Zambia Biomedical Research Ethics Committee (ref: 018–0312) and the Research Ethics Committee of the Royal College of Surgeons in Ireland (ref: REC727).
: Not applicable.
: The authors declare that they have no competing interests.