1. Department of Family Medicine and Public Health, School of Medicine, University of California, San Diego, San Diego, California
2. Division of Epidemiology and Biostatistics, School of Public Health, San Diego State University, San Diego, California
3. Department of Public Health and Planning, Policy and Design, University of California, Irvine, Irvine, California
4. School of Medicine, Yale University, New Haven, Connecticut
5. Air Toxicology and Epidemiology Branch, California Office of Environmental Health Hazard Assessment, Sacramento, California
6. Scripps Institute of Oceanography, University of California, San Diego, San Diego, California