1. Department of Physical Therapy, Saitama Rehabilitation Center Saitama 362-8567 Japan
2. Department of Physical Therapy, Faculty of Rehabilitation, Kobe International University 9-1-6 Koyouchou, Higasinada-ku, Kobe-shi Hyogo 658-0032 Japan
3. Department of Physical Therapy, Urayasu Rehabili Day Station Urayasu Chiba 279-0021 Japan
4. Department of Physical Therapy, School of Health and Social Services, Saitama Prefectural University 820 Sannomiya, Koshigaya Saitama 343-8540 Japan