1. Department of Computer Science, Czech Technical University, Prague, Czech Republic
2. Research and Innovation Centre for Electrical Engineering (RICE), University of West Bohemia, Pilsen, Czech Republic
3. The International Association of Engineers, Hong Kong, China
4. Communication System Laboratory SysCom (ENIT), University of Tunis El Manar (UTM), Tunis, Tunisia
5. Department of Computer Engineering, College of Computer and Information Technology, Taif University, P.O. Box. 11099, Taif 21994, Saudi Arabia
6. CES Laboratory, National School of Engineers of Sfax, University of Sfax, Sfax 3038, Tunisia
7. Faculty of Engineering, Université de Moncton, Moncton E1A3E9, NB, Canada
8. School of Electrical Engineering, University of Johannesburg, Johannesburg 2006, South Africa