1. Department of Medical Sciences Surgery and Neuroscience Respiratory Disease and Lung Transplant Unit Siena University Siena Italy
2. U.O.S.D. Pneumologia Territoriale e rete respiratoriaUSL Toscana Sud Est Arezzo Italy
3. Respiratory Medicine Unit Department of Experimental and Clinical Sciences, University of Brescia Brescia Italy
4. Respiratory Diseases Section Azienda ospedaliero universitaria senese, Le Scotte Hospital Brescia53100Siena, Italy
5. Diabetes Unit Department of Medicine, Surgery and Neurosciences University of Siena and Fondazione Umberto Di Mario ONLUSToscana Life Science Park Siena Italy