1. Department of Radiology, Ankara University, School of Medicine, Talatpaşa Bulvarı, Sıhhiye, 06100, Ankara, Turkey.
2. Department of Internal Medicine–Rheumatology, School of Medicine, Ankara University, Ankara, Turkey.
3. Present address: Department of Internal Medicine-Rheumatology, School of Medicine, Ufuk University, Ankara, Turkey.