1. Utah Department of Health Bureau of Maternal and Child Health, Mother To Baby Utah Salt Lake City Utah USA
2. South Carolina Department of Health and Environmental Control Birth Defects Program Columbia South Carolina USA
3. Utah Department of Health Bureau of Children with Special Health Care Needs, Utah Birth Defect Network Salt Lake City Utah USA
4. Department of Pediatrics and Wertheim School of Public Health University of California San Diego La Jolla California USA
5. Arizona Department of Health Services Bureau of Public Health Statistics, Arizona Birth Defects Monitoring Program Phoenix Arizona USA
6. Section of Hematology‐Oncology, Department of Pediatrics Baylor College of Medicine Houston Texas USA
7. College of Public Health University of South Florida Tampa Florida USA