1. Respiratory Diseases and Lung Transplantation Department of Medical and Surgical Sciences & Neurosciences Siena University Hospital Siena Italy
2. Rheumatology Unit Department of Medical Sciences Surgery and Neurosciences University of Siena Siena Italy
3. Unit of Diagnostic Imaging Department of Medical Surgical and Neurosciences and of Radiological Sciences University of SienaAzienda Ospedaliero‐Universitaria Senese Siena, Tuscany Italy
4. Department of Experimental and Clinical Medicine Division of Rheumatology University of Florence Florence Italy