1. Associate Professor, Dept. of Sustainability Engineering, Guglielmo Marconi Univ., Rome, Italy (corresponding author).
2. Associate Professor, Dept. of Civil and Mechanical Engineering, Univ. of Cassino and Southern Lazio, Cassino, Italy.
3. Assistant Professor, Dept. of Civil and Mechanical Engineering, Univ. of Cassino and Southern Lazio, Cassino, Italy.