1. Depertment of Orthopaedics, Kafkas Univeristy Medical School, Kars, Turkey.
2. Department of Neurology, Kafkas Univeristy Medical School, Kars, Turkey.
3. Department of Anesthesiology, Kafkas Univeristy Medical School, Turkey.
4. Department of Orthopaedics, Spatial Şifa Hospital, Erzurum, Turkey.