1. Department of Epidemiology, Human Genetics, and Environmental Sciences UTHealth School of Public Health Houston Texas USA
2. Department of Pediatrics, Section of Hematology‐Oncology Baylor College of Medicine Houston Texas USA
3. Birth Defects Epidemiology and Surveillance Branch Texas Department of State Health Services Austin Texas USA
4. Chiles Center, College of Public Health University of South Florida Tampa, Florida USA
5. Center for Birth Defects Research and Prevention Massachusetts Department of Public Health Boston Massachusetts USA
6. National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention Atlanta Georgia USA
7. Department of Epidemiology, Fay W. Boozman College of Public Health University of Arkansas for Medical Sciences Little Rock Arkansas USA
8. Birth Defects Monitoring Program, State Center for Health Statistics, Division of Public Health North Carolina Department of Health and Human Services Raleigh North Carolina USA
9. Department of Epidemiology, College of Public Health University of Iowa Iowa USA
10. Birth Defects Registry, Center for Environmental Health New York State Department of Health New York USA