[1] Natl Ctr Child Hlth & Dev, Dept Psychosocial Med, Setagaya Ku, 2-10-1 Okura, Tokyo 1578535, Japan
[2] Natl Ctr Global Hlth & Med, Bur Int Hlth Cooperat, Inst Global Hlth Policy Res, Shinjuku Ku, Tokyo, Japan
[3] Natl Ctr Child Hlth & Dev, Dept Social Med, Setagaya Ku, Tokyo, Japan
[4] UCLA Fielding Sch Publ Hlth, Dept Epidemiol, Los Angeles, CA USA
[5] Tokyo Med & Dent Univ, Grad Sch Med & Dent Sci, Bunkyo Ku, Tokyo, Japan
[6] Univ Tokyo, Sch Publ Hlth, Bunkyo Ku, Tokyo, Japan
[7] Univ Tokyo, Dept Pediat, Bunkyo Ku, Tokyo, Japan
[8] Tokyo Med & Dent Univ, Dept Global Hlth Promot, Bunkyo Ku, Tokyo, Japan