From the Departments of Environmental and Occupational Health Sciences (K.E.C., R.M.K., A.P.O., K.J., A.P., J.H.S., T.V.L., J.D.K.), Medicine (R.M.K., J.D.K.), and Civil and Environmental Engineering (T.V.L.), University of Washington, Seattle, WA. (2012-05時点)