1. Department of Physical Therapy, Human Health Sciences, Graduate School of Medicine; Kyoto University; Kyoto Japan
2. Department of System Design Engineering; Keio University; Yokohama Japan
3. Japan Society for the Promotion of Science; Tokyo Japan
4. Graduate School of Health and Welfare; Niigata University of Health and Welfare; Niigata Japan
5. Ohi Manufacturing Co., Ltd.; Kyoto Japan
6. Rehabilitation Center; Fujioka General Hospital; Gunma Japan
7. Nozomi Orthopaedic Clinic; Hiroshima Japan
8. Department of Orthopaedic Surgery, Graduate School of Medicine; Kyoto University; Kyoto Japan