1. Department of Engineering Enzo Ferrari, University of Modena and Reggio Emilia, via Vivarelli 10, 41125 Modena, Italy
2. Centre En&Tech, Tecnopolo, p.le Europa 1, 42124 Reggio Emilia, Italy
3. Department of Sciences and Methods of Engineering, University of Modena and Reggio Emilia, via Amendola 2, 42122 Reggio Emilia, Italy