1. Department of Environmental and Occupational Health, University of California, 856 Health Sciences Quad, Suite 3200, Irvine, California 92617, United States
2. California Department of Public Health, 1631 Alhambra Blvd., Suite 200, Sacramento, California 95816, United States
3. Human Safety, Syngenta Crop Protection, LLC, P.O. Box 18300, Greensboro, North Carolina 27409, United States
4. Department of Statistics and Department of Epidemiology and Biostatistics, University of California, Anteater Instruction Research Building, Suite 2030, Irvine, California 92697, United States