1. Department of Physical Therapy, The Graduate School, Sahmyook University, Seoul, Republic of Korea
2. Department of Physical Therapy, Kyunghee University Medical Center, Seoul, Republic of Korea
3. Department of Physical Therapy, Catholic University Eunpyeong St. Mary's Hospital, Seoul, Republic of Korea
4. The Graduate School of Integrated Medicine, CHA Medical University, Pocheon, Republic of Korea
5. Department of Physical Therapy, College of Health and Welfare, Sahmyook University, Seoul, Republic of Korea