Funding for this research was provided by:
Medical Research Council (MC_PC_MR/R024618/1)
Arts and Humanities Research Council (MC_PC_MR/R024618/1)
Received: 22 February 2019
Accepted: 15 October 2019
First Online: 7 November 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the Goldsmiths University Ethics Committee, the Research and Publication Committee (RePubliC) from the University of The Gambia and the Australian National University ethics committee. Members of the research team will carry out the consenting and conduct of this study orally. It will be emphasised that any participant is able to withdraw from the study at any point without any consequences.
: Not applicable.
: The authors declare that they have no competing interests.