1Department of Rheumatology, St. Paul’s Hospital, Thessaloniki, Greece
2Molecular Physiology-Clinical Application Unit, Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
3Department of Rheumatology, Asclepeion Hospital, Voula, Athens, Greece
4Department of Endocrinology, Asclepeion Hospital, Voula, Athens, Greece
5Department of Physiology, Medical School, National and Kapodistrian University of Athens, Athens, Greece