Funding for this research was provided by:
Doctors Without Borders
Received: 21 June 2021
Accepted: 13 October 2021
First Online: 24 October 2021
: The study protocol was reviewed and approved by the National Consultative Ethics committee of Niger (Ref: 22/2106/CCNE) and its amendments by the National Ethics Committee for Health Research of Niger, as well as by the Ethics Review Board of Médecins Sans Frontières (Ref 1640).
: Not applicable.
: The authors declare that they have no competing interests.