1. Department of Neuropsychiatry, Aizu Medical Center Fukushima Medical University Aizuwakamatsu City Japan
2. Department of Psychiatry Yamagata University School of Medicine Yamagata Japan
3. Department of Occupational Therapy, School of Health Sciences Fukushima Medical University Fukushima City Japan
4. Department of Pathology Yamagata University School of Medicine Yamagata Japan