1. DIMS, Department of Mechanical and Structural Engineering; University of Trento; Trento; Italy
2. DISTR, Department of Structural and Geotechnical Engineering; Politecnico di Torino; Torino; Italy
3. EGIS Industries; 4 rue Dolores Ibarruri, TSA 50012; Montreuil; Cedex 93188; France