1. Department of Public Health Sciences, University of California, Davis, Davis, California, USA
2. Division of General Medicine,
3. Department of Pediatrics, and
4. Center for Healthcare Policy and Research, School of Medicine, University of California, Davis, Sacramento, California, USA
5. Department of Epidemiology,
6. Department of Environmental Health Sciences, and
7. Department of Neurology, Fielding School of Public Health and School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
8. UC Davis MIND (Medical Investigations of Neurodevelopmental Disorders) Institute, Sacramento, California, USA