[1] St Lukes Int Univ, Grad Sch Publ Hlth, Tokyo, Japan
[2] Natl Ctr Child Hlth & Dev, Tokyo, Japan
[3] Hyogo Prefectural Kobe Childrens Hosp, Kobe, Hyogo, Japan
[4] Tokyo Metropolitan Childrens Med Ctr, Fuchu, Tokyo, Japan
[5] Miyagi Childrens Hosp, Sendai, Miyagi, Japan
[6] Teikyo Univ, Chiba Med Ctr, Tokyo, Japan
[7] Aichi Med Univ Hosp, Nagakute, Aichi, Japan
[8] Nakadori Gen Hosp, Akita, Japan
[9] Japanese Red Cross Narita Hosp, Narita, Japan
[10] Chiba Childrens Hosp, Chiba, Japan
[11] Shiga Univ Med Sci Hosp, Shiga, Japan
[12] NPO LD Dyslexia Ctr, Ichikawa, Japan