1 Pulmonology Unit, Department of Medical Surgical and Health Sciences. University Hospital of Cattinara, University of Trieste, Trieste, Italy.
2 Unit of Immunology, Rheumatology, Department of Experimental and Clinical Medicine, IRCCS San Raffaele Hospital, University of Florence and Division of Rheumatology AOUC & Scleroderma Unit, Allergy and Rare Diseases (UnIRAR), Milan, Italy.
3 Department of Radiology, Department of Medicine, Surgery and Health Science, University of Trieste, Trieste, Italy.
4 Division of Musculoskeletal and Dermatological Sciences, Faculty of Biology, Medicine and Health, The University of Manchester & Salford Royal NHS Foundation Trust, Manchester, United Kingdom.