[1] Ufuk Univ, Sch Med, Dept Neurol, Ankara, Turkey
[2] Eastern Mediterranean Univ, Fac Hlth Sci Physiotherapy & Rehabil, Dept Neurol, Via Mersin 10, Famagusta, North Cyprus, Turkey
[3] Brain & Spine Surg Ctr, Ankara, Turkey
[4] Sultan Abdulhamid Han Educ & Res Hosp, Dept Neurosurg, Istanbul, Turkey
[5] Ufuk Univ, Sch Med, Dept Anesthesiol, Ankara, Turkey