1. Department of Rehabilitation Science, Graduate School of Health Sciences, Josai International University: 1 Gumyo, Togane, Chiba 283-8555, Japan
2. Department of Rehabilitation, Shiraishi Clinic Orthopedics & Internal Medicine & Gastrointestinal Medicine, Japan
3. Department of Rehabilitation, Rakusai Shimizu Hospital, Japan
4. Department of Physical Therapy, Faculty of Social Work Studies, Josai International University, Japan