3. Diagnosis of refractory RA (patient's poor response of 3 months of DMARDs determined and documented by a rheumatologist) ,diagnosis of relapsing SLE (more than 2 episodes in a year during optimal medical SLE therapy) or diagnosis of Sharp syndrome (Alarcon-Segovia's criteria: patients with U1 Ribonucleic protein (RNP) ≥ 1:1600, and three of the following: Swollen hands, Synovitis, Myositis, Raynauld's phenomenon, Acrosclerosis)