1. Division of Rheumatology, Department of Physical Medicine and Rehabilitation, Marmara University School of Medicine, İstanbul, Turkey
2. Department of Physical Medicine and Rehabilitation, Balıkesir University School of Medicine, Balıkesir, Turkey
3. Division of Rheumatology, Department of Physical Medicine and Rehabilitation, Akdeniz University School of Medicine, Antalya, Turkey
4. Department of Physical Medicine and Rehabilitation, Ankara Yıldırım Beyazıt University School of Medicine, Ankara, Turkey
5. Istanbul School of Medicine; Department of Physical Medicine and Rehabilitation, Istanbul University, İstanbul, Turkey
6. Department of Physical Medicine and Rehabilitation, Sivas Cumhuriyet University School of Medicine, Sivas, Turkey
7. Rheumatology Clinic, Samsun Training and Research Hospital, Samsun, Turkey