1. Graduate School of Rehabilitation Science, Osaka Metropolitan University, Habikino-City, Japan
2. Section of Education for Clinical Research, Kyoto University Hospital, Kyoto, Japan
3. Faculty of Engineering, Center for Liberal Arts and Sciences, Toyama Prefectural University, Imizu, Japan
4. Department of Electronic and Computer Engineering, Ritsumeikan University, Kusatsu, Japan
5. Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tokyo, Japan