1. Department of Neurology, Toyama City Hospital, Japan
2. Department of Neurology and Neurobiology of Aging, Kanazawa University Graduate School of Medical Sciences, Japan
3. Department of Diagnostic Pathology, Toyama City Hospital, Japan
4. Department of Diagnostic Pathology, Kanazawa University Hospital, Japan
5. Department of Neurosurgery, Toyama City Hospital, Japan