1. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Florence, via di S. Marta 3, I-50139 Florence, Italy.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Florence, via di S. Marta 3, I-50139 Florence, Italy (corresponding author).
3. Research Fellow, Dept. of Civil and Environmental Engineering, Univ. of Florence, via di S. Marta 3, I-50139 Florence, Italy.
4. Researcher, Institute of Information Science and Technologies “A. Faedo,” ISTI-CNR, via G. Moruzzi 1, I-56124 Pisa, Italy.
5. Assistant Professor, Dept. of Civil and Building Engineering, and Architecture, Polytechnic Univ. of Marche, via Brecce Bianche 12, I-60131 Ancona, Italy.
6. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Florence, via di S. Marta 3, I-50139 Florence, Italy.
7. Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Florence, via di S. Marta 3, I-50139 Florence, Italy.