1. Pediatrics, University Department of Medical and Surgical Specialty and Public Health, Perugia
2. Medical and Scientific Department, Stallergenes, Milan
3. Marketing Department, Stallergenes, Milan
4. Pediatrics, General Hospital, Empoli
5. Pediatric National Health Service, Garlasco
6. Allergy Unit, General Hospital, Cosenza
7. ENT Department, Santobono Hospital, Naples
8. Clinical Immunology, Miulli Hospital, Acquaviva delle Fonti
9. Pneumology Unit, University Hospital, Sassari
10. Allergy Unit, Sant'Anna Hospital, Como
11. General Hospital, Castrovillari, Cosenza
12. Allergy/Pulmonary rehabilitation Unit, ICP Hospital, Milan, Italy