1. Laboratory of Information Processing, Faculty of Science Ben M’Sik, University of Hassan II, Casablanca 20000, Morocco
2. Regional Center for the Professions of Education and Training (C.R.M.E.F), Casablanca 20340, Morocco
3. Department of Mathematics, Sri Sivasubramaniya Nadar College of Engineering, Chennai 603110, India
4. Department of Computer Science and Engineering, Gandhi Institute of Technology and Management, Visakhapatnam 530045, India
5. School of Engineering, University of Peloponnese, 26334 Patras, Greece