Funding for this research was provided by:
Received: 3 March 2021
Accepted: 25 June 2021
First Online: 27 September 2021
: Ethical approval for the study was granted by the IRC Institutional Review Board and the National Institute of Medical Research in Tanzania.
: Informed assent from participants < 18 years, together with witnessed caregiver informed consent was obtained from all participants. All adults provided witnessed informed consent.
: The authors declare that they have no competing interests.