From the Division of Cardiovascular Medicine (R.D.B., R.L.B.), School of Public Health (J.T.D., G.K., M.M., F.J.M., A.S.K.), Center for Human Growth and Development (N.K.), and Department of Biostatistics (N.K.), University of Michigan, Ann Arbor, Mich; Institute of Medical Science (B.U., F.S.), Dalla Lana School of Public Health (P.C., F.S.), and Department of Medicine (F.S.), University of Toronto, Toronto, Ontario, Canada; Gage Occupational and Environmental Health Unit (B.U., M.S., P.C., F.S., J...(2009-09時点)