1. Signature Genomic Laboratories; PerkinElmer, Inc; Spokane; Washington
2. Department of Molecular and Human Genetics, Baylor College of Medicine; Houston; Texas
3. Cohen Children's Medical Center of New York; Manhasset; New York
4. Nemours Children's Clinic; Orlando; Florida
5. Seattle Children's Hospital; Seattle; Washington
6. Brigham and Women's Hospital; Boston; Massachusetts
7. Credit Valley Hospital, Mississauga; Ontario; Canada
8. Clinical Genetics Unit, Department of Women's and Children's Health; University of Padova; Italy
9. Division of Medical Genetics, Department of Pediatrics; University of Utah; Salt Lake City; Utah
10. Department of Clinical Genetics; Kaiser Permanente; Oakland; California
11. Division of Genetics, Davis Medical Investigation of Neurodevelopmental Disorders Institute; University of California; Sacramento; California
12. ARUP Laboratories, Department of Pathology; University of Utah; Salt Lake City; Utah