Table 1.

Italian regions distributed over the five areas.

Classification	Regions
North-West	Valle d’Aosta, Piedmont, Lombardy, Liguria
North-East	Veneto, Emilia-Romagna, Friuli-Venezia Giulia, Trentino Alto-Adige
Center	Tuscany, Lazio, Umbria, Marche
South	Campania, Abruzzo, Molise, Puglia, Basilicata, Calabria
Islands	Sardinia, Sicily