1. Unit of Respiratory Medicine, Department of Experimental Medicine, University of Rome ‘Tor Vergata’, Rome, Italy
2. Unit of Pharmacology, Department of Experimental Medicine, University of Campania ‘Luigi Vanvitelli’, Naples, Italy
3. Unit of Respiratory Disease and Lung Function, Department of Medicine and Surgery, University of Parma, Parma, Italy
4. Unit of Endocrinology and Metabolic Diseases, Department of Systems Medicine, University of Rome ‘Tor Vergata’, Rome, Italy