1. Laboratory of Statistics and Quantitative Analysis Methods (LASCM), School of Mechanical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece
2. Department of Computer Science and Engineering (DISI), School of Engineering, Alma Mater Studiorum – University of Bologna, Bologna, Italy
3. Laboratory of Transportation Engineering, Department of Civil Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece