[1] Natl Ctr Child Hlth & Dev, Dept Human Genet, Tokyo, Japan
[2] Natl Ctr Child Hlth & Dev, Dept Syst BioMed, Tokyo, Japan
[3] Natl Ctr Child Hlth & Dev, Div Dev Genom, Tokyo, Japan
[4] Miyazaki Univ, Dept Pediat, Miyazaki, Japan
[5] NIAID, NIH, 9000 Rockville Pike, Bethesda, MD 20892 USA