Received: 22 September 2020
Accepted: 22 October 2021
First Online: 4 November 2021
: This study was performed in line with the principles of the Declaration of Helsinki. Ethical approval was granted by the MSF Ethics Review Board, Geneva, Switzerland (ID: 1715), and the Comité Nacional de Biética para a Saúde in Mozambique (45/CNBS/2017). Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no conflict of interest. The authors declare that they have no competing interests.