1. Department of Nutritional Sciences and Toxicology University of California Berkeley California USA
2. Environmental Health Investigation BranchCalifornia Department of Public Health Richmond California USA
3. AJ Drexel Autism InstituteDrexel University Philadelphia Pennsylvania USA
4. Division of Research Kaiser Permanente Oakland California USA
5. Department of Biobehavioral Health Sciences University of Pennsylvania Philadelphia Pennsylvania USA
6. Department of Mental Health Johns Hopkins Bloomberg School of Public Health Baltimore Maryland USA
7. Department of Epidemiology Johns Hopkins Bloomberg School of Public Health Baltimore Maryland USA
8. Department of Epidemiology, Gillings School of Global Public Health University of North Carolina Chapel Hill North Carolina USA
9. National Center on Birth Defects and Developmental DisabilitiesCenters for Disease Control and Prevention Atlanta Georgia USA