1. From the Cardiovascular Institute (S.E.R., V.R.), the Department of Epidemiology (M.B.O., R.H.), and the VA Pittsburgh Healthcare System Department of Medicine (L.F.), University of Pittsburgh, Pittsburgh, Pa; Division of Cardiology (S.M.), MCP-Hahnemann School of Medicine, West Penn-Allegheny Health System, Pittsburgh, Pa; Division of Cardiology (C.J.P., R.K.), University of Florida, Gainesville, Fla; Division of Cardiology (C.N.B.M.), Cedars-Sinai Medical Center, Los Angeles, Calif; Division of...