[1] Fujita Hlth Univ, Div Therapies Intractable Dis, Inst Comprehens Med Sci, Toyoake, Aichi 4701192, Japan
[2] Kawasaki Med Sch, Div Neurol, Dept Internal Med, Kurashiki, Okayama 7010192, Japan
[3] Univ Tokushima, Fac Engn, Dept Biol Sci & Technol, Tokushima 7708506, Japan