1Nephrology Department, Hippokration General Hospital, Athens, Greece
21st Department of Pathology, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
32nd Department of Pathology, National and Kapodistrian University of Athens, School of Medicine, Athens, Attikon University Hospital, Athens, Greece
42nd Department of Medicine and Laboratory, Clinical Immunology - Rheumatology Unit, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece