1. Section of Pediatric Neurology and Developmental Neuroscience, Department of Pediatrics Baylor College of Medicine Houston Texas USA
2. Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas USA
3. Texas Children's Hospital Houston Texas USA
4. Medical Scientist Training Program Baylor College of Medicine Houston Texas USA
5. Human Genome Sequencing Center Baylor College of Medicine Houston Texas USA
6. Clinical Genetics Department, Human Genetics and Genome Research Division National Research Centre Cairo Egypt
7. Department of Pediatrics Faculty of Medicine, Kuwait University Safat Kuwait
8. Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences School of Public Health, The University of Texas Health Science Center at Houston Houston Texas USA
9. Department of Pediatrics Baylor College of Medicine Houston Texas USA