1. From the Center for Cardiovascular Disease Prevention (P.M.R., J.M., R.J.G.) and the Division of Cardiovascular Medicine (P.M.R.), Brigham and Women's Hospital, Harvard Medical School, Boston, Mass; the Department of Clinical Biochemistry (B.G.N.), Herlev Hospital, University of Copenhagen, Copenhagen, Denmark; the University of Ulm (W.K.), Ulm, Germany; Academic Medical Center (J.J.P.K.), University of Amsterdam, Amsterdam, The Netherlands; and McGill University Health Center (J.G.), Montreal Canada.