1. Department of Rehabilitation Science, Graduate School, Inje University, Republic of Korea
2. Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University, Republic of Korea
3. Department of Physical Therapy, Haeundae Jaseng Hospital of Oriental Medicine: 1459-6 Jwa-1 dong, Haeundae-gu, Busan 612-836, Republic of Korea