1. Department of Rehabilitation Medicine, Graduate School of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
2. Department of Rehabilitation Medicine, RHIN Hospital, Yongin-si 16864, Republic of Korea
3. Department of Rehabilitation Medicine, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
4. Department of Rehabilitation Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
5. Department of Rehabilitation Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul 06591, Republic of Korea
6. The Research and Development Center, Exosystems, Seongnam-si 13449, Republic of Korea