[1] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA
[2] Baylor Coll Med, Human Genome Sequencing Ctr, Houston, TX 77030 USA
[3] Baylor Coll Med, Dept Pediat, Texas Childrens Canc Ctr, Houston, TX 77030 USA
[4] Baylor Coll Med, Texas Childrens Canc Ctr, Dept Mol & Human Genet, Houston, TX 77030 USA
[5] Rice Univ, Dept Stat, Houston, TX 77251 USA
[6] Baylor Coll Med, Human Genome Sequencing Ctr, Dept Mol & Human Genet, Houston, TX 77030 USA