1. Dept. of Structural Engineering, Univ. of Naples “Federico II,” via Claudio 21, 80125 Naples, Italy (corresponding author).
2. Assistant Professor, Faculty of Engineering, International Telematic Univ. Uninettuno, Rome, Italy.
3. Dept. of Electrical Engineering, Univ. of Naples “Federico II,” via Claudio 21, 80125 Naples, Italy.
4. Full Professor, Dept. of Structural Engineering, Univ. of Naples “Federico II,” via Claudio 21, 80125 Naples, Italy.
5. Full Professor, Dept. of Electrical Engineering, Univ. of Naples “Federico II,” via Claudio 21, 80125 Naples, Italy.