Funding for this research was provided by:
Wellcome Trust (208818/Z/17/Z)
Received: 5 May 2022
Accepted: 17 October 2022
First Online: 16 November 2022
: Ethical approval was granted by the University of Oxford, Oxford Tropical Research Ethics Committee (OxTREC - 549-17). Written informed consent was obtained from participants.
: Not applicable.
: The author(s) declare(s) that they have no competing interests.