1. Department of Agriculture, Food, Environment and Forestry (DAGRI), University of Florence, Via San Bonaventura 13, 50145 Florence, Italy.
2. Italian Academy of Forest Sciences (AISF), Piazza Edison 11, 50133 Florence, Italy.
3. Department for Innovation in Biological, Agro-food and Forest systems (DIBAF), University of Tuscia, Via San Camillo de Lellis s.n.c., 01100 Viterbo, Italy.
4. CREA, Research Centre for Forestry and Wood, Viale Santa Margherita 80, 52100 Arezzo, Italy.