1. Department of Physical Therapy, Hakodate Medical Association Nursing and Rehabilitation Academy
2. Biomedical Science and Engineering Research Center, Hakodate Medical Association Nursing and Rehabilitation Academy, Hakodate
3. Department of Rehabilitation, Ohkawara Neurosurgical Hospital, Muroran
4. Graduate School of Rehabilitation Sciences, Hokkaido Bunkyo University
5. Department of Physical Therapy, Faculty of Human Sciences, Hokkaido Bunkyo University, Eniwa, Hokkaido, Japan