1. Balıkesir Atatürk Hospital , Department of Rheumatology , Balıkesir Atatürk Şehir Hastanesi , Balıkesir , Turkey
2. Akdeniz University , Faculty of Medicine, Department of Rheumatology , Antalya , Turkey
3. Akdeniz University , Faculty of Medicine, Department of Biochemistry , Antalya , Turkey