| Affiliation: | 1. National Center on Birth Defects and Developmental Disabilities, Centers for Disease Control and Prevention, , Atlanta, Georgia;2. Carter Consulting, , Atlanta, Georgia;3. Division of Medical Genetics, Department of Pediatrics, University of Utah Health Sciences Center, , Salt Lake City, Utah;4. Birth Defects Epidemiology and Surveillance Branch, Texas Department of State Health Services, , Austin, Texas;5. University of Mississippi Medical Center, , Jackson, Mississippi;6. Colorado Department of Public Health and Environment, , Denver, Colorado;7. College of Public Health, University of South Florida, , Tampa, Florida |
