Levent Özçakar1, Şule Şahin Onat, Eda Gürçay, Murat Kara. 1. From the Department of Physical and Rehabilitation Medicine, Hacettepe University Medical School, Ankara, Turkey (LÖ, MK); Ankara Physical and Rehabilitation Medicine Training and Research Hospital, Ankara, Turkey (ŞŞO); and Department of Physical and Rehabilitation Medicine, Ankara Dışkapı Yıldırım Beyazıt Training and Research Hospital, Ankara, Turkey (EG).