[1] Univ Roma La Sapienza, Dept Internal Med & Med Specialties, Rheumatol Clin, I-00185 Rome, Italy
[2] Univ Roma La Sapienza, Dept Internal Med & Med Specialties, Rheumatol Clin, Rheumatol, I-00185 Rome, Italy
[3] Univ Roma La Sapienza, Gynecol Clin, Dept Gynecol & Obstet Sci & Urol Sci, I-00185 Rome, Italy
[4] Natl Inst Hlth, Populat Hlth & Hlth Determinant Unit, Natl Ctr Surveillance Prevent & Hlth Promot, Rome, Italy