1. Baylor Genetics LaboratoriesHoustonTexas
2. Department of Molecular and Human GeneticsBaylor College of MedicineHoustonTexas
3. Department of Molecular and Medical GeneticsOregon Health & Science UniversityPortlandOregon
4. Division of Medical GeneticsDepartment of PediatricsStanford UniversityStanfordCalifornia
5. Departments of PediatricsBaylor College of MedicineHoustonTexas
6. Division of Neurology and Developmental NeuroscienceBaylor College of MedicineHoustonTexas
7. Jan and Dan Duncan Neurological Research Institute at Texas Children's HospitalHoustonTexas