[1] Univ Tokyo, Grad Sch Med, Dept Neurol, 7-3-1 Hongo,Bunkyo Ku, Tokyo 1138655, Japan
[2] Univ Tokyo, Grad Sch Med, Dept Precis Med Neurol, Tokyo, Japan
[3] Univ Tokyo, Grad Sch Frontier Sci, Dept Computat Biol & Med Sci, Chiba, Japan
[4] Kobe Tokiwa Univ, Fac Hlth Sci, Dept Nursing, Kobe, Hyogo, Japan
[5] Nishinomiya Municipal Mirai Children Ctr Clin, Pediat Dept, Kobe, Hyogo, Japan
[6] Okayama Univ, Grad Sch Med Dent & Pharmaceut Sci, Dept Neurol, Okayama, Japan
[7] Int Univ Hlth & Welf, Inst Med Genom, Chiba, Japan