1. Birth Defects Registry New York State Department of Health Albany New York USA
2. Department of Epidemiology College of Public Health University of Iowa Iowa City Iowa USA
3. Department of Epidemiology Gillings School of Global Public Health University of North Carolina Chapel Hill North Carolina USA
4. Department of Genetics and Genomic Sciences Icahn School of Medicine at Mount Sinai New York New York USA
5. Department of Genetic Medicine Johns Hopkins School of Medicine Baltimore Maryland USA
6. Department of Epidemiology and Biostatistics School of Public Health University at Albany Rensselaer New York USA