1. Department of Surgery Washington University in St. Louis School of Medicine St. Louis Missouri USA
2. Department of Pediatrics Baylor College of Medicine Houston Texas USA
3. Medical Genetics Unit Mass General for Children Boston Massachusetts USA
4. Department of Genetic Medicine The Johns Hopkins University School of Medicine Baltimore Maryland USA
5. Department of Pediatrics University of Florida College of Medicine Gainesville Florida USA
6. Division of Population Health Surveillance South Carolina Department of Health and Environmental Control Columbia South Carolina USA
7. Chiles Center University of South Florida College of Public Health Tampa Florida USA
8. Center for Birth Defects Research and Prevention Massachusetts Department of Public Health Boston Massachusetts USA
9. Department of Epidemiology, Human Genetics, and Environmental Sciences UTHealth School of Public Health Houston Texas USA
10. Department of Pediatrics University of Utah Health Salt Lake City Utah USA
11. National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention Atlanta Georgia USA
12. Division of Public Health North Carolina Department of Health and Human Services Raleigh North Carolina USA
13. Utah Birth Defect Network Utah Department of Health and Human Services Salt Lake City Utah USA
14. Department of Epidemiology University of Arkansas for Medical Sciences Little Rock Arkansas USA
15. Office of Genetics and People with Special Health Care Needs Maryland Department of Health Baltimore Maryland USA
16. Division of Epidemiologic Studies Illinois Department of Public Health Springfield Illinois USA
17. Arkansas Reproductive Health Monitoring System Arkansas Children's Research Institute Little Rock Arkansas USA
18. Birth Defects Epidemiology and Surveillance Branch Texas Department of State Health Services Austin Texas USA
19. Greenwood Genetic Center Greenwood South Carolina USA