1. Department of Engineering “Enzo Ferrari”, University of Modena and Reggio Emilia, 41125 Modena, Italy
2. ARPAE Emilia-Romagna, Regional Environmental Agency of Emilia-Romagna, 40122 Bologna, Italy
3. ARPA Piemonte, Regional Environmental Agency of Piemonte, 10135 Torino, Italy
4. ARPA Lombardia, Regional Environmental Agency of Lombardia, 20162 Milano, Italy
5. ARPA Veneto, Regional Environmental Agency of Veneto, 35121 Padova, Italy