1. Department of Rehabilitation Science, Graduate School, Inje University, Republic of Korea
2. Department of Physical Therapy, Baekseok University, Republic of Korea
3. Department of Physical Therapy, Sangji University, Republic of Korea
4. Department of Physical Therapy, College of Biomedical Science and Engineering, Inje University: 607 Obang-dong, Gimhae-si, Gyeongsangnam-do 621-749, Republic of Korea