1. Graduate School of Health Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Japan
2. Department of Rehabilitation Treatment, Chiba Rehabilitation Center, Chiba, Japan
3. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ami, Japan
4. Department of Occupational Therapy, Ibaraki Prefectural University of Health Sciences, Ami, Japan
5. Department of Rehabilitation Medicine, Chiba Rehabilitation Center, Chiba, Japan