1. Department of Rehabilitation, Faculty of Health Sciences, Tohoku Fukushi University: 1-8-1 Kunimi, Aoba-ku, Sendai-shi, Miyagi 981-8522, Japan
2. Department of Rehabilitation, Care Center Moriyama, Japan
3. Tohoku Medical Megabank Organization, Tohoku University, Japan
4. Preparing Section for New Faculty of Medical Science, Fukushima Medical University, Japan
5. Department of Rehabilitation Sciences, Gunma University Graduate School of Health Sciences, Japan
6. Department of Rehabilitation, Kita-Fukushima Medical Center, Japan