1. Department of Translational Medicine-Respiratory Medicine, University of “Piemonte Orientale”, Vercelli, Italy
2. Department of Internal Medicine, University of Brescia, Brescia, Italy
3. Department of Pharmacology, Faculty of Medicine, Catholic University of the Sacred Heart, Rome, Italy
4. Pharmacology Unit, Agostino Gemelli University Hospital Foundation, Rome, Italy
5. Department of Respiratory Medicine, RBHT Foundation Trust, Harefield Hospital, Harefield, UK
6. Department of Allergology, “Bellinzona e Valli” Hospital, Bellinzona, Switzerland
7. Department of Radiological Sciences, Faculty of Medicine, Catholic University of the Sacred Heart, Rome, Italy
8. Radiology Unit, Agostino Gemelli University Hospital Foundation, Rome, Italy