1. Department of Molecular and Human Genetics; Baylor College of Medicine; Houston Texas
2. Human Genome Sequencing Center; Baylor College of Medicine; Houston Texas
3. Department of Structural and Computational Biology & Molecular Physics; Baylor College of Medicine; Houston Texas
4. Department of Neurogenetics; Kennedy Krieger Institute; Baltimore Maryland
5. Department of Pediatric Radiology; Texas Children's Hospital; Houston Texas
6. Howard Hughes Medical Institute; Houston; Texas