1. Birth Defects Epidemiology and Surveillance Branch; Texas Department of State Health Services; Austin Texas
2. Division of Clinical and Translational Sciences; Department of Internal Medicine; Medical School; and Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston; Houston Texas
3. Department of Pediatrics; Section of Hematology-Oncology, Baylor College of Medicine; Houston Texas
4. Division of Clinical and Translational Sciences; Department of Internal Medicine; Medical School; Division of Epidemiology; Human Genetics and Environmental Sciences; School of Public Health, and Biostatistics/Epidemiology/Research Design (BERD) Core, Center for Clinical and Translational Sciences (CCTS), The University of Texas Health Science Center at Houston; Houston Texas
5. Radiation Branch; Texas Department of State Health Services; Austin Texas