Alexander Korytny1, Adi Kibari2, Itzhak Rosner3,4, Devy Zisman2,4. 1. Department of Internal Medicine, Carmel Medical Center, Haifa, Israel. 2. Department of Rheumatology Unit, Carmel Medical Center, Haifa, Israel. 3. Department of Rheumatology, Bnai Zion Medical Center, Haifa, Israel. 4. Rappaport Faculty of Medicine, Technion-Israel Institute of Technology, Haifa, Israel.