**Author details**

Abdou Karim Farota<sup>1</sup> \*, Mouhamadou Mansour Faye<sup>2</sup> , Bouya Diop<sup>1</sup> , Diène Ndiaye1 and Mary Teuw Niane<sup>1</sup>

\*Address all correspondence to: abdou-karim.farota@ugb.edu.sn

1 UFR SAT, University of Gaston Berger of Saint-Louis, Senegal

2 FST, University Cheikh Anta Diop of Dakar, Senegal
