1. Mersin University Faculty of Medicine, Department of Internal Medicine, Clinic of Geriatrics, Mersin, Turkey

2. Yıldırım Beyazıt University Faculty of Medicine, Department of Internal Medicine, Clinic of Rheumatology, Ankara, Turkey

3. Cumhuriyet University Faculty of Medicine, Department of Internal Medicine, Clinic of Rheumatology, Sivas, Turkey

4. Private Office, Department of Internal Medicine, Clinic of Rheumatology, İstanbul, Turkey

5. Private Office, Department of Internal Medicine, Clinic of Geriatrics, Ankara, Turkey