1. Postdoctoral Research Associate, Dept. of Structural, Geotechnical, and Building Engineering, Politecnico di Torino, Torino 10129, Italy.
2. Assistant Professor, Dept. of Science of Civil Engineering and Architecture, Technical Univ. of Bari, Bari 70125, Italy (corresponding author).
3. Associate Professor, Dept. of Science of Civil Engineering and Architecture, Technical Univ. of Bari, Bari 70125, Italy.
4. Full Professor, Dept. of Structural, Geotechnical, and Building Engineering, Politecnico di Torino, Torino 10129, Italy.