1. Associate Professor, Dept. of Architectural and Urban Design, Univ. of Trieste, Piazzale Europa 1, Trieste 34121, Italy.
2. Research Fellow, Dept. of Civil and Environmental Engineering, Univ. of Trieste, Piazzale Europa 1, Trieste 34121, Italy (corresponding author).
3. Associate Professor, Dept. of Architecture and Planning, Univ. of Sassari, Palazzo del Pou Salit, Piazza Duomo 6, Alghero 07041, Italy.