1. Division of Physical Therapy Science, Graduate Course of Health and Social Work, Kanagawa University of Human Services: 1-10-1 Heisei-cho, Yokosuka, Kanagawa 238-8522, Japan
2. Department of Rehabilitation, Saiseikai Yokohamashi Tobu Hospital, Japan
3. Division of Physical Therapy, Kanagawa Rehabilitation Hospital, Japan
4. Division of Physical Therapy, Shonan University of Medical Sciences, Japan