1. Department of Radiology, Medizinisches Versorgungszentrum Meine Radiologie Tuttlingen GmbH , Tuttlingen, Germany
2. Department of Neurology, Medical Faculty, Duzce University , Duzce, Turkey
3. Duzce Public Health Center , Duzce, Turkey
4. Department of Radiology, Medical Faculty, Duzce University , Duzce, Turkey