1. Department of Otorhinolaryngology Careggi University Hospital Florence Italy
2. Department of Biomedical, Experimental and Clinical Sciences, Radiodiagnostic Unit n. 2 University of Florence – Careggi University Hospital Florence Italy
3. Department of Radiology Careggi University Hospital Florence Italy
4. Department of Radiology Anna Meyer Children's University Hospital Florence Italy
5. Department of Infectious and Tropical Diseases Careggi University Hospital Florence Italy
6. Cystic Fibrosis Center, Anna Meyer Children's University Hospital University of Florence Florence Italy