1 Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
2 Department of Nuclear Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey.
3 Division of Rheumatology, Department of Internal Medicine, Cerrahpasa Medical School, Istanbul University-Cerrahpasa, Istanbul, Turkey. [email protected].