Funding for this research was provided by:
United States Agency for International Development (AID-OAA-A-17-0018)
Received: 21 April 2021
Accepted: 30 May 2022
First Online: 20 June 2022
: Our study was reviewed and approved and monitored by two institutional review boards, Advarra (US-based) (protocol number 28374) and ERES Converge (based locally in Zambia) (no protocol number). Participants provided informed written consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.