[1] Kumamoto Univ, Grad Sch Med Sci, Dept Neurol, Kumamoto, Japan
[2] Kumamoto Univ, Grad Sch Hlth Sci, Dept Biomed Lab Sci, Kumamoto, Japan
[3] Kumamoto Univ, Grad Sch Hlth Sci, Dept Morphol & Physiol Sci, Kumamoto, Japan
[4] Soyo Hosp, Dept Neurol, Kumamoto, Japan
[5] Nagasaki Int Univ, Dept Amyloidosis Res, Nagasaki, Japan
[6] Kumamoto Univ, Grad Sch Med Sci, Dept Neurol, 1-1-1 Honjo, Kumamoto 8600811, Japan