1. Department of Pathology; Tokyo Metropolitan Neurological Hospital; Tokyo Metropolitan Neurological Hospital; Tokyo Japan
2. Department of Pathology; Nihon University School of Medicine; Tokyo Japan
3. Department of Neurology; Tokyo Metropolitan Kita Medical and Rehabilitation Centre for the Disabled; Tokyo Japan
4. Department of Neurology; Tokyo Metropolitan Neurological Hospital; Tokyo Metropolitan Neurological Hospital; Tokyo Japan
5. Department of Neurology; Saitama Medical University; Saitama Japan