1. Department of Rehabilitation, Kita-Fukushima Medical Center, Fukushima, Japan
2. Department of Occupational Therapy, School of Health Sciences, Fukushima Medical University, Fukushima, Japan
3. Department of Hematology, Kita-Fukushima Medical Center, Fukushima, Japan
4. Department of Physical Therapy, School of Health Sciences, Fukushima Medical University, Fukushima, Japan