1. Assistant Professor, Dept. of Civil and Building Engineering, and Architecture, Univ. Politecnica delle Marche, 60128 Ancona, Italy.
2. Professor, School of Architecture and Design, Univ. of Camerino, Viale delle Rimembranza, 63100 Ascoli Piceno, Italy (corresponding author).
3. Professor, Dept. of Civil and Building Engineering, and Architecture, Univ. Politecnica delle Marche, 60128 Ancona, Italy.