1. Department of Medicine, Surgery, and Neurosciences, Rheumatology Unit University of Siena Siena Italy
2. Department of Medicine, Surgery, and Neurosciences, Respiratory Diseases and Lung Transplantation Unit University of Siena Siena Italy
3. Department of Radiological Sciences, Diagnostic Imaging Unit Azienda Ospedaliero‐Universitaria Senese Siena Italy