1. Postdoctoral, Dept. of Structures for Engineering and Architecture, Univ. of Naples Federico II, Via Claudio 21, 80125 Naples, Italy.
2. Assistant Professor, Dept. of Structures for Engineering and Architecture, Univ. of Naples Federico II, Via Claudio 21, 80125 Naples, Italy (corresponding author).
3. Assistant Professor, Dept. of Structures for Engineering and Architecture, Univ. of Naples Federico II, Via Claudio 21, 80125 Naples, Italy.
4. Full Professor, Dept. of Structures for Engineering and Architecture, Univ. of Naples Federico II, Via Claudio 21, 80125 Naples, Italy.