Mahaman Moustapha, Lamine
Adamou, Rafiou
Ibrahim, Maman Laminou
Abdoulaye Louis Padounou, Mariama
Diallo, Abdoulaye
Courtin, David
Testa, Jean
Ndiaye, Jean Louis Abdourahim
Article History
Received: 20 November 2019
Accepted: 12 December 2020
First Online: 1 January 2021
Ethics approval and consent to participate
: All the study participants provided informed consent before their enrollment. Ethical approval is obtained from the Ethics Committee of Niger (Deliberation N°024/2015/CCNE).
: Not applicable.
: The authors declare that they have no competing interests.