1. Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities Atlanta Georgia USA
2. Department of Human Genetics, Emory University School of Medicine Atlanta Georgia USA
3. Section on Neurodevelopmental Disorders Barrow Neurological Institute at Phoenix Children's Hospital Phoenix Arizona USA
4. Department of Child Health University of Arizona College of Medicine – Phoenix Phoenix Arizona USA
5. Rutgers Robert Wood Johnson Medical School New Brunswick New Jersey USA
6. Departments of Pediatrics and Neurological Sciences, Rush University Medical Center Chicago Illinois USA