1. Full Professor, Dept. of Civil, Environmental and Mechanical Engineering, Univ. of Trento, 38123 Trento, Italy.
2. Assistant Professor, Dept. of Civil, Environmental and Mechanical Engineering, Univ. of Trento, 38123 Trento, Italy (corresponding author).
3. Assistant Professor, Dept. of Civil, Environmental and Mechanical Engineering, Univ. of Trento, 38123 Trento, Italy.