Funding for this research was provided by:
Received: 12 August 2020
Accepted: 10 December 2020
First Online: 12 January 2021
Ethics approval and consent to participate
: Ethics approval was obtained from the Comité d’Éthique de l’Institut des Sciences Biomédicales Appliquées, Benin; Benishangul-Gumuz Regional Ethical Review Board, Ethiopia; African Medical and Research Foundation, Kenya; National Committee on Research in the Social Sciences and Technology, Malawi; Mildmay Uganda Research Ethics Committee, Uganda; and the ethics committee of the London School of Hygiene & Tropical Medicine. Respondents were informed of the details of the study, and written consent was sought before interviewing.
: Not applicable
: The authors declare that they have no competing interests.