1. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (Y.M., Y.H., F.M.W., J.C., K.M.).
2. University of Mississippi Medical Center, Jackson (C.M.H.).
3. Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis (A.R.F.).
4. Endowed Chair of Preventive Cardiology, Lundquist Institute, Torrance, CA (M.B.).
5. Division of Cardiology, Johns Hopkins School of Medicine, Baltimore, MD (M.J.B.).