1. Department of Mechanics and Materials (MECMAT), Mediterranean University of Reggio Calabria, Via Graziella, Feo di Vito, 89100 Reggio Calabria, Italy
2. Department of Information Science, Mathematics, Electronics, and Transportations (DIMET), Mediterranean University of Reggio Calabria, Via Graziella, Feo di Vito, 89100 Reggio Calabria, Italy