1. REsearch Groups on Intelligent Machines, National School of Engineers, University of Sfax, Sfax, Tunisia
2. REGIM and the Computer Sciences and Mathematics Department, Faculty of Sciences and Techniques of Sidi Bouzid, University of Kairouan, Kairouan, Tunisia
3. REGIM and the Computer Sciences and Communication Department, Faculty of Sciences of Sfax, University of Sfax, Sfax, Tunisia