1. Department of Neurosurgery, School of Medicine, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Turkey
2. Department of Physical Medicine and Rehabilitation, School of Medicine, Bahçeşehir University, Istanbul, Turkey
3. School of Medicine, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Turkey
4. School of Nursing, Acıbadem Mehmet Ali Aydınlar University, Istanbul, Turkey
5. Department of Neurosurgery, Cleveland Clinic Foundation, Cleveland, OH, USA