1. Associate Professor of Structural Engineering, Dept. of Structural Engineering, Univ. of Naples Federico II, Via Claudio 21, P.O. Box I-80125, Naples, Italy.
2. Ph.D. Candidate in Seismic Risk, Dept. of Structural Engineering, Univ. of Naples Federico II, Via Claudio 21, P.O. Box I-80125, Naples, Italy (corresponding author).
3. Assistant Professor of Structural Engineering, Dept. of Structural Engineering, Univ. of Naples Federico II, Via Claudio 21, P.O. Box I-80125, Naples, Italy.
4. Full Professor of Structural Engineering, Dept. of Structural Engineering, Univ. of Naples Federico II, Via Claudio 21, P.O. Box I-80125, Naples, Italy.