1. Department of Occupational Therapy, College of Alternative Medicine, Jeonju University, Hyoja-dong 3-ga, Wansan-gu, Jeonju-si, Jeollabuk-do, Republic of Korea
2. Department of Occupational Therapy, College of Health Science, Yonsei University, Heungup-myun, Wonju-si, Kangwon-do, Republic of Korea
3. Department of Occupational Therapy, Hanseo University, Haemi-myeon, Seosan-si, Chungcheongnam-do, Republic of Korea
4. Department of Control & Instrumentation Engineering, Kangwon National University, Jungangno 1-ga, Samcheok-si, Kangwon-do, Republic of Korea