[1] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA
[2] Baylor Coll Med, Howard Hughes Med Inst, Houston, TX 77030 USA
[3] Univ Chicago, Dept Human Genet, Chicago, IL 60637 USA
[4] Shinshu Univ, Dept Hyg & Med Genet, Nagano, Japan
[5] Erasmus Univ Hosp, Dept Clin Genet, Rotterdam, Netherlands
[6] Univ British Columbia, Dept Med Genet, Vancouver, BC V5Z 1M9, Canada
[7] Cedars Sinai Med Ctr, Ctr Med Genet Birth Defects, Los Angeles, CA 90048 USA
[8] Univ Antwerp, Dept Med Genet, B-2020 Antwerp, Belgium
[9] Univ Antwerp, Dept Neurogenet, B-2020 Antwerp, Belgium