1. Department of Physical Medicine and Rehabilitation, College of Medicine, Catholic University, Daegu, Korea
2. Medical Devices Clinical Trial Center, Yeungnam University, Daegu, Korea
3. Department of Rehabilitation Science, Graduate School, Daegu University, Gyeongsan, Korea
4. Department of Physical Medicine and Rehabilitation, Bogang Hospital, Daegu, Korea
5. Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Daegu, Korea
6. Department of Neurosurgery, College of Medicine, Yeungnam University, Daegu, Korea