1. Department of Physical Medicine and Rehabilitation Faculty of Medicine Ataturk University Erzurum Turkey
2. Department of Internal Medicine Faculty of Medicine Medeniyet University Istanbul Turkey
3. Departments of Physical Medicine and Rehabilitation Occupational Diseases Hospital Istanbul Turkey
4. Department of Family Medicine Faculty of Medicine Ataturk University Erzurum Turkey
5. Departments of Rheumatology Ankara Numune Research and Training Hospital Ankara Turkey
6. Department of Hematology Lokman Hekim hospital Ankara Turkey