1 Polytechnic University of Marche, Rheumatology Unit, Department of Clinical and Molecular Sciences, "Carlo Urbani" Hospital, Jesi, Ancona, Italy. edoardocipolletta@gmail.com.
2 Polytechnic University of Marche, Rheumatology Unit, Department of Clinical and Molecular Sciences, "Carlo Urbani" Hospital, Jesi, Ancona, Italy.