[1] Baylor Coll Med, Mol & Human Genet, Houston, TX 77030 USA
[2] Baylor Coll Med, Human Genome Sequencing Ctr, Houston, TX 77030 USA
[3] Univ Calif San Diego, Dept Bioengn, La Jolla, CA 92093 USA
[4] Baylor Coll Med, Ophthalmol, Houston, TX 77030 USA
[5] Baylor Coll Med, Pathol Mol & Human Genet, Houston, TX 77030 USA