[1] Univ Siena, Dept Neurosci, Neurol Sect, I-53100 Siena, Italy
[2] Univ Siena, Dept Biomed Sci, Sect Anat & Histol, I-53100 Siena, Italy
[3] Univ Siena, Interdept Res Ctr Syst Autoimmune & Autoinflammat, Rheumatol Unit, I-53100 Siena, Italy
[4] Univ Siena, Dept Human Pathol & Oncol, I-53100 Siena, Italy