1. Department of Pediatrics; Columbia University Medical Center; New York NY USA
2. GeneDx; Gaithersburg MD USA
3. Department of Child Neurology; Riley Hospital for Children; Indianapolis IN USA
4. Section of Genetics and Metabolism; University of Arkansas for Medical Sciences, Arkansas Children's Hospital; Little Rock AR USA
5. Center for Human Genetics; University Hospitals Case Medical Center and Case Western Reserve University; Cleveland OH USA
6. Division of Genetics; Arnold Palmer Hospital for Children; Orlando FL USA