1 Rheumatology and Clinical Immunology, Attikon University Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece.
2 Rheumatology and Clinical Immunology, Attikon University Hospital, Athens, Greece.
3 Rheumatology and Clinical Immunology, School of Medicine, University of Crete, Iraklio, Greece.
4 Laboratory of Autoimmunity-Inflammation, Institute of Molecular Biology and Biotechnology, Heraklion, Crete, Greece.
5 Rheumatology and Clinical Immunology, Attikon University Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece boumpasd@uoc.gr.