1. Department of Pathology; Shiga Medical Center for Adults; Moriyama Shiga Japan
2. Department of Neurology; Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology; Tokyo Japan
3. Division of Neuropathology, Department of Brain Disease Research; Shinshu University School of Medicine; Matsumoto, Nagano Japan
4. Brain Research Laboratory; Hatsuishi Hospital; Chiba Japan