1Department of Rheumatology, School of Health Sciences, Faculty of Medicine, University of Ioannina, Greece
2Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Greece
3Department of Pathophysiology, School of Medicine, National and Kapodistrian University of Athens, Greece; Institute for Autoimmune Systemic and Neurologic Diseases, Athens, Greece
AI Venetsanopoulou, AV Goules, PG Vlachoyiannopoulos, AA Drosos, AG Tzioufas, PV Voulgari