1 Respiratory Pathophysiology Unit, Department of Cardiological, Thoracic and Vascular Sciences, University of Padua, Italy.
2 Department of Medicine, University of Verona, Verona, Italy. Electronic address: marco.caminati@univr.it.
3 Department of Medicine, University of Verona, Verona, Italy; Allergy Unit and Asthma Center, University of Verona and Verona University Hospital, Verona, Italy.
4 Immunology Unit, University Hospital of Verona, Italy.
5 Department of Internal Medicine and Therapeutics Pneumology Unit, University of Pavia, Pavia, Italy.
6 Department of Medicine, University of Verona, Verona, Italy.