1. Institute of Biometeorology; National Research Council of Italy; Via Caproni 8; 50145; Florence; Italy
2. Department of Agri-food Production and Environmental Sciences; University of Florence; Piazzale delle Cascine 18; 50144; Florence; Italy
3. Climate and Global Dynamics Division; National Center for Atmospheric Research; 1850 Table Mesa Drive; Boulder; CO; 80307-3000; USA
4. Department of Evolutionary Biology; University of Florence; Via G. La Pira 4; 50121; Firenze; Italy