Alexeeff et al. Schwartz J, Park SK, O’Neill MS, Vokonas PS, Sparrow D, Weiss S, et al. 2005. Glutathione-S-transferase M1, obe- sity, statins, and autonomic effects of particles: gene-by- drug-by-environment interaction. Am J Respir Crit Care Med 172(12):1529–1533. U.S. Census Bureau, Population Division. 2005. Interim Projections of the Population by Selected Age Groups for the United States and States: April 1, 2000 to July 1, 2030. Available: http://www.census.gov/population/www/projections/ files/SummaryTabB1.pdf [accessed 14 February 2011]. Zanobetti A, Schwartz J. 2002. Cardiovascular damage by airborne particles: are diabetics more susceptible? Epidemiology 13(5):588–592. Yorifuji T, Kashima S, Tsuda T, Takao S, Suzuki E, Doi H, et al. Zeka A, Sullivan JR, Vokonas PS, Sparrow D, Schwartz J. 2010. Long-term exposure to traffic-related air pollution and mortality in Shizuoka, Japan. Occup Environ Med 67:111–117. 2006. Inflammatory markers and particulate air pollution: characterizing the pathway to disease. Int J Epidemiol 35(5):1347–1354. 486 ovlume 119 | number 4 | April 2011 • Environmental Health Perspectives