[1] Univ Politecn Marche, Osped Carlo Urbani Jesi, Rheumatol Clin, Ancona, Italy
[2] Paolo Dettori Hosp, ATS Sardegna, Rheumatol Unit, Tempio Pausania, Italy
[3] IRCCS Galeazzi S Ambrogio Hosp, Rheumatol Dept, Milan, Italy
[4] Univ Milan, Dept Biomed & Clin Sci, Milan, Italy