1 Divisions of Epidemiology and of Environmental and Occupational Health, Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA
2 MIND Institute, University of California, 2825 50th Street, Sacramento 95817, CA, USA
3 Department of Civil and Environmental Engineering, University of California, Davis, CA, USA
4 Department of Environmental and Interdisciplinary Sciences, Texas Southern University, Houston, TX, USA