1. Assistant Professor, Dept. of Innovation Engineering, Univ. of Salento, 73100 Lecce, Italy (corresponding author).
2. Graduate in Civil Engineer, Univ. of Salento, 73100 Lecce, Italy.
3. Assistant Professor, Dept. of Innovation Engineering, Univ. of Salento, 73100 Lecce, Italy.
4. Full Professor, Dept. of Innovation Engineering, Univ. of Salento, 73100 Lecce, Italy.