1. Department of Internal Medicine, Rheumatology, Cumhuriyet University Faculty of Medicine, 58140 Sivas, Turkey
2. Department of Obstetrics and Gynecology, Cumhuriyet University Faculty of Medicine, Sivas, Turkey
3. Department of Physical Medicine and Rehabilitation, Rheumatology, Cumhuriyet University Faculty of Medicine, Sivas, Turkey
4. Department of Biochemistry, Cumhuriyet University Faculty of Medicine, Sivas, Turkey