Aldo Minardo, Ester Catalano, Agnese Coscetta, University of Campania Luigi Vanvitelli, Italy; Giovanni Zeni, National Research Council (CNR), Italy; Caterina Di Maio, Roberto Vassallo, University of Basilicata, Italy; Luciano Picarelli, University of Campania Luigi Vanvitelli, Italy; Roberto Coviello, Giuseppe Macchia, Rete Ferroviaria Italiana (Ferrovie dello Stato Italiane Group), Italy; Luigi Zeni, University of Campania Luigi Vanvitelli, Italy