1. Department of Pulmonology, Haematology and Oncology, Division of Pulmonology and Allergology. High Speciality A. Cardarelli Hospital, Naples, Italy
2. Postgraduate School of Respiratory Medicine. Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
3. Department of Experimental Medicine and Surgery, University of Rome Tor Vergata, Rome, Italy
4. Respiratory Medicine Unit, ASL (District 66), Salerno, Italy
5. Respiratory Allergy Unit. G. Da Procida Hospital, Salerno, Italy
6. Allergy and Clinical Immunology, G. Fucito Hospital and University Hospital, Salerno, Italy
7. Allergy Unit, Presidio Sanitario Polispecialistico Loreto Crispi Naples, Italy
8. Allergy Center, Division of Internal Medicine, Ospedali Riuniti Penisola Sorrentina, Sorrento (NA), Italy
9. Department of Respiratory Disease, Federico II University, AO Dei Colli, Naples, Italy
10. Allergy and Clinical Immunology Unit, High Speciality Sant’Anna and San Sebastiano Hospital, Caserta, Italy
11. Allergy Unit, High Speciality San Giuseppe Moscati Hospital, Avellino, Italy
12. Respiratory Physiopathology and Allergy, High Speciality Center Mauro Scarlato Hospital, Scafati (SA), Italy
13. Allergy Unit, ASL Na 3 (Sanitary District 59), Meta di Sorrento (NA), Italy
14. Allergy Unit, ASL (Sanitary District 12), Caserta, Italy
15. Pulmonary Rehabilitation Unit ICS Maugeri, Telese Terme, Benevento, Italy
16. ASL (Sanitary District), Avellino, Italy
17. Allergology Unit, Division of Internal Medicine, Fatebenefratelli Hospital, Benevento, Italy
18. Allergy Unit, National Healthcare System, Reggio Calabria, Italy