1. Biella Hospital; University of “Piemonte Orientale”; Biella Italy
2. Medicine Department; Biella Hospital; Biella Italy
3. Department of Science of Education and Psychology; at the University of Florence; Florence Italy
4. University of Rome “Tor Vergata”; Biella Italy
5. Department of Biomedicine and Prevention; Tor Vergata University; Rome Italy
6. University of Florence; Florence Italy