Affiliation: | 1.Department of Pathology, College of Medicine, King Saud University, Riyadh, Saudi Arabia ;2.Laboratory of Immunology, Research Unit UR 807, Faculty of Medicine of Sousse, Sousse, Tunisia ;3.Department of Rheumatology, Farhat Hached Hospital, Sousse, Tunisia ;4.Department of Epidemiology, Farhat Hached Hospital, Sousse, Tunisia ; |