Diarra, Maryam
Fall, Moussa
Fall, Assane Gueye
Diop, Aliou
Lancelot, Renaud
Seck, Momar Talla
Rakotoarivony, Ignace
Allène, Xavier
Bouyer, Jérémy
Guis, Hélène
Article History
Received: 12 October 2017
Accepted: 27 May 2018
First Online: 8 June 2018
Ethics approval and consent to participate
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.