1. Department of Physics, Faculty of Sciences, International Hellenic University, Ag. Loukas Campus, 65404 Kavala, Greece
2. Laboratory of Mathematics and Informatics (ISCE), Department of Civil Engineering, School of Engineering, Faculty of Mathematics, Programming and General Courses, Democritus University of Thrace, 67100 Xanthi, Greece
3. Department of Computer Science and Telecommunications, School of Sciences, University of Thessaly, 38334 Volos, Greece
4. EDA Research and Technology Coordinator—Head of Unit Technology and Innovation at European Defence Agency, 1048 Bruxelles, Belgium