1. Graduate School of Humanities and Social Sciences Hiroshima University Hiroshima Japan
2. Department of Rehabilitation Shigei Hospital Okayama Japan
3. Department of Rehabilitation, Saitama Medical Center Saitama Medical University Saitama Japan
4. Department of Rehabilitation, Faculty of Health Sciences Hiroshima Cosmopolitan University Hiroshima Japan
5. Department of Physical Therapy, Faculty of Medical Science Fukuoka International University of Health and Welfare Fukuoka Japan
6. Department of Rehabilitation Kurashiki Heisei Hospital Okayama Japan
7. Research Institute of Health and Welfare Kibi International University Okayama Japan
8. Division of Physical Therapy, School of Rehabilitation, Faculty of Health and Social Services Kanagawa University of Human Services Yokosuka Japan