1. Allergy Outpatient Clinic, Turin, Italy
2. Allergy and Pneumology Outpatient Clinic, Bergamo, Italy
3. Pediatric National Healthcare System, Turin
4. Institute for Biomedical Research and Innovation, National Research Council, Palermo, Italy
5. Ospedale Santa Chiara, Trento, Italy
6. Department of Cellular, Computational and Integrative Biology (CIBIO), University of Trento, Trento, Italy
7. Thoracic Disease Research Unit, Mayo Clinic, Rochester, Minnesota, U.S.A.
8. Department of Clinical and Experimental Medicine, Section of Pediatrics, University of Pisa, Pisa, Italy
9. Department of Clinical Immunology and Allergology, I.M. Sechenov First Moscow State Medical University, Moscow, Russia
10. Department of Medicine, University of Verona - Verona University Hospital, Verona, Italy
11. Allergy Unit and Asthma Center, Verona University Hospital, Verona, Italy
12. Departmental Unit of Allergology, Immunology and Pulmonary Diseases, Fondazione Poliambulanza, Brescia, Italy