1. Birth Defects Registry New York State Department of Health Albany New York USA
2. Department of Epidemiology Boston University School of Public Health Boston Massachusetts USA
3. Department of Epidemiology and Biostatistics, School of Public Health University at Albany Rensselaer New York USA
4. Division of Neonatal and Developmental Medicine, Department of Pediatrics Stanford University School of Medicine Stanford California USA
5. Division of Maternal‐Fetal Medicine and Obstetrics, Department of Obstetrics and Gynecology Stanford University School of Medicine Stanford California USA
6. Division of Birth Defects and Infant Disorders, National Center on Birth Defects and Developmental Disabilities Centers for Disease Control and Prevention Atlanta Georgia USA
7. Center for Birth Defects Research and Prevention Massachusetts Department of Public Health Boston Massachusetts USA
8. Oak Ridge Institute for Science and Education Oak Ridge Tennessee USA
9. Slone Epidemiology Center at Boston University Boston Massachusetts USA