University of Siena, University of Siena, University of Pisa, University of Brescia, Cairo University, University of Siena, King Saud University - Department of Rheumatology, Marmara University, Marmara University, Gazi University, University of Pavia, University of Siena, affiliation not provided to SSRN, University of Siena, University of Siena, University of São Paulo (USP), Fondazione Policlinico Universitario A. Gemelli IRCCS, University of Siena, affiliation not provided to SSRN, University of Siena, University of Siena and Azienda Ospedaliero Universitaria di Modena - Department of Neuroscience