1. Department of Rehabilitation, Hitachi General Hospital, Japan
2. Department of Psychiatry, Yamagata University School of Medicine, Japan
3. Department of Occupational Therapy, Yamagata Prefectural University of Health Science, Japan
4. Department of Radiology, Yamagata University Hospital, Japan
5. Department of Communication Disorders, School of Rehabilitation Sciences, Health Sciences University of Hokkaido, Japan
6. Department of Neuropsychiatry, Aizu Medical Center, Fukushima Medical University, Japan