1. Electrical & Computer Engineering Aristotle, University of Thessaloniki,Thessaloniki,Greece
2. Acceligence Ltd,Nicosia,Cyprus
3. School of Computing and Engineering, University of Huddersfield,Huddersfield,U.K
4. Informatics & Telecommunications Engineering, University of Western Macedonia,Kozani,Greece
5. ELEDIA@AUTH, School of Physics Aristotle University of Thessaloniki,Thessaloniki,Greece