1. Department of International Affairs, College of Arts and Science, Qatar University, Doha, Qatar
2. Mediatron Laboratory, Higher School of Communication of Tunis, Tunis, Tunisia
3. College of Engineering, Qatar University, Doha, Qatar
4. ReDCAD Laboratory, National School of Engineers of Sfax, University of Sfax, Sfax, Tunisia
5. Computer Science Department, Cedric Laboratory, Conservatoire National des Arts et Métiers, Paris, France