1. Department of Physical Therapy, Wonkwang University School Of Medicine & Hospital, Iksan, Jeollabuk-do, Republic of Korea
2. Department of Physical Therapy, College of Health Science, Cheongju University, Cheongju, Chungcheongbuk-do, Republic of Korea
3. Applied Kinesiology and Ergonomic Technology Laboratory, Department of Physical Therapy, Graduate School, Yonsei University, Wonju, Kangwon-do, Republic of Korea