1. Postgraduate School of Respiratory Medicine. Department of Experimental Medicine University of Rome “Tor Vergata” Rome Italy
2. Allergy Unit, Department of Internal Medicine University Hospital Ospedali Riuniti Ancona Italy
3. Department of Clinical and Molecular Sciences Marche Polytechnic University Ancona Italy
4. Department of Medicine and Surgery, Respiratory Disease and Lung Function Unit University of Parma Parma Italy
5. Division of Pulmonology S.Corona Hospital Savona Italy
6. Allergy Unit Ospedali Riuniti Marche Nord Fano Italy
7. Asl Roma 4 S. Paolo Hospital Civitavecchia Italy
8. Unit of Allergology, Casa della Salute di Scilla ASP di Reggio Calabria Italy
9. Department of Internal Medicine, Unit of Allergology S.S. Filippo e Nicola Hospital Avezzano L'Aquila Italy
10. Ecosystem S.R.L Naples Italy
11. A.F. Allergy Center Chieti Italy
12. Unit of Occupational Medicine University of Trieste Trieste Italy
13. Allergy Unit, ASP Tropea Vibo Valentia Italy
14. Unit of Allergology Niguarda Hospital Milan Italy
15. Allergy Unit, Division of Internal Medicine ASST Bergamo Ovest Bergamo Italy
16. Montallegro Clinic Genoa Italy
17. Unit of Reumatology, Allergology and Clinical Immunology Policlinico Tor Vergata Rome Italy
18. G.P. Allergy Center Rome Italy
19. R.P. Allergy Center Rome Italy
20. Personalized Medicine Asthma & Allergy ‐ Humanitas Clinical and Research Center IRCCS Milan Italy
21. O.Q. Allergy Center Faenza Italy
22. Allergy Unit, ASL Atri Teramo Italy
23. Department of Experimental Medicine, Unit of Respiratory Medicine University of Rome. "Tor Vergata" Rome Italy