1. Rheumatic Diseases Unit, Emek Medical Center , Afula, Israel
2. Rappaport Faculty of Medicine, Technion , Haifa, Israel
3. Department of Software and Information Systems Engineering, Ben-Gurion University of the Negev , Be'er Sheva, Israel
4. Clinical Research Center, Soroka University Medical Center , Be'er Sheva, Israel
5. Faculty of Health Sciences, Ben-Gurion University of the Negev , Be'er Sheva, Israel
6. Department of Internal Medicine B, Rabin Medical Center, Beilinson Campus , Petah Tikva, Israel
7. Division of Rheumatology, Department of Medicine, Spencer Fox Eccles School of Medicine, University of Utah , Salt Lake City, UT, USA