1. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ami, Japan
2. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Ami, Japan
3. Centre for Medical Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Japan
4. Department of Occupational Therapy, Ibaraki Prefectural University of Health Sciences Hospital, Ami, Japan
5. Department of Physical Therapy, Faculty of Health Sciences, Tsukuba International University, Tsuchiura, Japan
6. Department of Physical Therapy, Health Science University, Fujikawaguchiko, Japan
7. Department of Rehabilitation Medicine, Keio University School of Medicine, Tokyo, Japan