1. Laboratory of Health Science and Nanophysiotherapy, Department of Physical Therapy, Graduate School, Yongin University, Republic of Korea
2. Department of Physical Therapy, College of Health Science, Honam University, Republic of Korea
3. Department of Taekwondo Instructor Education, College of Martial Arts, Yongin University, Republic of Korea
4. Department of Combative Martial Arts Training, College of Martial Arts, Yongin University, Republic of Korea
5. Department of Physical Therapy, College of Public Health and Welfare, Yongin University: Yongin 449-714, Republic of Korea