1. Erciyes University Faculty of Medicine, Department of Neurology, Kayseri, Turkey

2. Kayseri City Hospital, Clinic of Geriatrics, Kayseri, Turkey

3. Erciyes University Faculty of Medicine, Department of Internal Medicine, Division of Geriatrics, Kayseri, Turkey

4. Erciyes University Faculty of Medicine, Department of Biostatistics, Kayseri, Turkey

5. Düzce University Faculty of Medicine, Department of Neurology, Düzce, Turkey