1 Rheumatology Unit, Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
2 Centro di Riferimento Interdisciplinare, Interdipartimentale per la diagnosi precoce della Sclerodermia, Sandro Pertini Hospital, Rome, Italy.
3 Pneumology and Cardiology Units, Monaldi Hospital, Naples, Italy.
4 Rheumatology Unit, Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy. Electronic address: [email protected].