[1] Univ Tsukuba, Dept Publ Hlth Med, Doctoral Program Social & Environm Med, Grad Sch Comprehens Human Sci, Ibaraki, Japan
[2] Osaka Univ, Grad Sch Med, Dept Social & Environm Med, Osaka, Japan
[3] Nagoya Univ, Grad Sch Med, Dept Publ Hlth Hlth Informat Dynam, Fields Sci,Program Hlth & Community Med, Nagoya, Aichi, Japan
[4] Nara Womens Univ, Dept Food Sci & Nutr, Fac Human Life & Environm, Nara 630, Japan
[5] Kyoto Univ, Grad Sch Med, Dept Hlth & Environm Sci, Kyoto, Japan
[6] Aichi Med Univ, Dept Publ Hlth, Aichi, Japan
[7] Kyoto Prefectural Univ Med, Dept Social Med & Cultural Sci, Res Inst Neurol Dis & Geriatr, Kyoto, Japan
[8] Juntendo Univ, Sch Med, Dept Epidemiol & Environm Hlth, Tokyo 113, Japan
[9] Nagoya Univ, Grad Sch Med, Dept Prevent Med Biostat & Med Decis Making, Field Social Sci,Program Hlth & Community Med, Nagoya, Aichi, Japan