1. Department of Electrical Engineering and Computer Engineering and Informatics, Cyprus University of Technology, Limassol, Cyprus
2. Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus
3. Departmental Faculty of Engineering, Campus Bio-Medico University of Rome, Rome, Italy
4. Centre for Autonomous and Cyber-Physical Systems, School of Aerospace, Transport and Manufacturing, Cranfield University, Cranfield, U.K.