[1] Suwa Red Cross Hosp, Dept Neurol, Suwa, Japan
[2] Shinshu Univ, Div Neuropathol, Sch Med, Dept Brain Dis Res, Matsumoto, Nagano, Japan
[3] Hatsuishi Hosp, Brain Res Lab, Kashiwa, Chiba, Japan
[4] Shinshu Univ, Dept Med Neurol & Rheumatol, Sch Med, Matsumoto, Nagano, Japan
[5] Saitama Med Univ, Dept Neurol, Moroyama, Saitama, Japan
[6] Saitama Med Univ, Dept Pathol, Moroyama, Saitama, Japan
[7] Ushioda Gen Hosp, Dept Internal Med, Yokohama, Kanagawa, Japan
[8] Aichi Med Univ, Dept Neuropathol, Inst Med Sci Aging, Nagakute, Aichi, Japan
[9] Shinshu Univ, Div Neurogenet, Sch Med, Dept Brain Dis Res, Matsumoto, Nagano, Japan
[10] Daigo Hosp, Psychogeriatr Ctr, Mimata, Japan
[11] Shinshu Univ Hosp, Intractable Dis Care Ctr, Matsumoto, Nagano, Japan