1. Department of Rehabilitation, Fujioka General Hospital, Fujioka, Japan
2. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ibaraki, Japan
3. Department of Rehabilitation, Public Nanokaichi Hospital, Tomioka, Japan
4. Department of Basic Rehabilitation, Gunma University Graduate School of Health Sciences, Maebashi, Japan
5. Department of Rehabilitation, Hidaka Rehabilitation Hospital, Takasaki, Japan