[1] Univ Tokyo, Dept Social & Prevent Epidemiol, Grad Sch Med, Bunkyo Ku, Tokyo 1130033, Japan
[2] Japan Soc Promot Sci, Tokyo, Japan
[3] Fukuoka Univ, Fac Med, Dept Prevent Med & Publ Hlth, Fukuoka 81401, Japan
[4] Univ Tokyo, Sch Publ Hlth, Dept Social & Prevent Epidemiol, Tokyo 1130033, Japan
[5] Osaka City Univ, Dept Publ Hlth, Grad Sch Med, Osaka 558, Japan
[6] Kyushu Univ, Dept Prevent Med, Grad Sch Med Sci, Fukuoka 812, Japan
[7] Fukuoka Univ, Dept Neurol, Fac Med, Fukuoka 81401, Japan
[8] Natl Utano Hosp, Dept Neurol, Kyoto, Japan
[9] Natl Utano Hosp, Clin Res Inst, Kyoto, Japan
[10] Osaka City Univ, Grad Sch Med, Dept Geriatr & Neurol, Osaka 558, Japan
[11] Kyushu Univ, Grad Sch Med Sci, Dept Neurol, Neurol Inst, Fukuoka 812, Japan
[12] Kyoto Univ, Grad Sch Med, Human Brain Res Ctr, Kyoto, Japan
[13] Saitama Med Unvivers, Fac Med, Dept Publ Hlth, Saitama, Japan