1 Department of Physical Medicine and Rehabilitation, Division of Pain Medicine, Faculty of Medicine, Marmara University, Istanbul, Turkey.
2 Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Erciyes University, Kayseri, Turkey.
3 Department of Radiology, Faculty of Medicine, Erciyes University, Kayseri, Turkey.
4 Department of Physical Medicine and Rehabilitation, Kayseri City Hospital, Kayseri, Turkey.
5 Department of Physical Medicine and Rehabilitation, Division of Pain Medicine, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey.