1. Corporate Research Institute, Wheelopia Co., Ltd, Seoul 07053, Republic of Korea
2. Clinical Team, Yonsei Enabling Science and Technology Research Center, Wonju 26493, Republic of Korea
3. Department of Clinical Rehabilitation Research, Korea National Rehabilitation Center, Seoul 01022, Republic of Korea
4. Department of Occupational Therapy, College of Health Science, Yonsei University, Wonju 26493, Republic of Korea