1. Department of Epidemiology, University of Michigan, Ann Arbor, Michigan, USA
2. Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington, USA
3. Department of Civil and Environmental Engineering, University of Washington, Seattle, Washington, USA
4. Department of Biostatistics, University of Washington, Seattle, Washington, USA
5. Department of Geography and Environmental Development, Ben-Gurion University of the Negev, Beer Sheva, Israel
6. Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, Minnesota, USA
7. Division of Preventive Medicine, University of California San Diego, San Diego, California, USA
8. Department of Epidemiology, University of Washington, Seattle, Washington, USA
9. Department of Medicine, University of Washington, Seattle, Washington, USA