1. From the Department of Biostatistics and Epidemiology (G.-H.D., M.-M.L., D.W.), Department of Occupational and Environmental Health (G.-H.D.), School of Public Health, China Medical University, Shenyang, Liaoning, China; Department of Epidemiology, School of Public Health, Saint Louis University, St. Louis, MO (Z.Q., P.K.X., E.T., S.M., J.P., L.Y., M.S.); Department of Ambient Air Pollution Monitor, Shenyang Environmental Monitoring Center, Shenyang, Liaoning, China (W.-H.R.); Guangdong Provincial...