1. Respiratory Section, Department of Translational Medicine, University of Ferrara, Ferrara, Italy
2. Global Medical Affairs, Chiesi Farmaceutici S.p.A, Parma, Italy
3. Department of Internal Medicine (DiMI), Respiratory Unit for Continuity of Care, IRCCS, Ospedale Policlinico San Martino, University of Genova, Genova, Italy