[1] Natl Hosp Org Saitama Hosp, Dept Pediat, 2-1 Suwa, Wako, Saitama 3510102, Japan
[2] Keio Univ, Dept Pediat, Sch Med, Tokyo, Japan
[3] Saiseikai Kawaguchi Gen Hosp, Dept Pediat, Saitama, Japan
[4] Soka Municipal Hosp, Dept Pediat, Saitama, Japan
[5] Kawaguchi Municipal Med Ctr, Dept Pediat, Saitama, Japan
[6] Tsuchiya Childrens Hosp, Saitama, Japan
[7] Natl Hosp Org Nishisaitama Chuo Natl Hosp, Dept Pediat, Saitama, Japan
[8] Saitama Citizens Med Ctr, Dept Pediat, Saitama, Japan
[9] Koshigaya Municipal Hosp, Dept Pediat, Saitama, Japan
[10] Natl Hosp Org Tokyo Med Ctr, Dept Pediat, Tokyo, Japan
[11] Natl Hosp Org Hokkaido Med Ctr, Dept Pediat Nephrol, Sapporo, Hokkaido, Japan
[12] IMS Fujimi Gen Hosp, Dept Pediat, Saitama, Japan
[13] Ageo Cent Gen Hosp, Dept Pediat, Saitama, Japan
[14] Ichikawa Gen Hosp, Dept Pediat, Tokyo Dent Coll, Chiba, Japan
[15] Hino Municipal Hosp, Dept Pediat, Tokyo, Japan
[16] Sano Kosei Gen Hosp, Dept Pediat, Sano, Tochigi, Japan
[17] Hanyu Gen Hosp, Dept Pediat, Saitama, Japan