1. Department of Rehabilitation, Fujioka General Hospital, Fujioka, Japan
2. Department of Rehabilitation, Public Nanokaichi Hospital, Tomioka, Japan
3. Department of Rehabilitation Sciences, Gunma University Graduate School of Health Sciences, Maebashi, Japan
4. Department of Rehabilitation, Numata Neurosurgery and Heart Disease Hospital, Numata, Japan
5. Department of Rehabilitation Center, Hidaka Hospital, Takasaki, Japan
6. Department of Rehabilitation, Azumabashi Orthopedics, Tokyo, Japan
7. Department of Rehabilitation, Hidaka Rehabilitation Hospital, Takasaki, Japan
8. Department of Physical Therapy, Ibaraki Prefectural University of Health Sciences, Ibaraki, Japan