[1] Osaka Univ, Grad Sch Med, Dept Neurol, Suita, Osaka, Japan
[2] Osaka Univ, Grad Sch Med, Dept Stat Genet, Suita, Osaka, Japan
[3] Kanazawa Univ, Grad Sch Adv Prevent Med Sci, Dept Bioinformat & Genom, Kanazawa, Ishikawa, Japan
[4] Suita Municipal Hosp, Dept Neurol, Suita, Osaka, Japan
[5] Kindai Univ, Dept Neurol, Fac Med, Osaka, Japan
[6] Natl Inst Genet, Div Human Genet, Mishima, Shizuoka, Japan