1. Graduate School of Health Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Japan
2. Department of Rehabilitation, Iwate Prefectural Central Hospital, Morioka, Japan
3. Department of Health Sciences, Ibaraki Prefectural University of Health Sciences, Ami, Japan
4. Department of Rehabilitation, Ibaraki Prefectural University of Health Sciences Hospital, Ami, Japan
5. Department of Rehabilitation, Iwate Rehabilitation Center, Shizukuishi, Japan