1. From Donald W. Reynolds Cardiovascular Clinical Research Center (K.I., J.L.Y., A.Z., L.A.M., N.G., U.S., P.L.), Department of Pathology (N.T.), Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass. Current address for U.S.: Cardiovascular Disease, Boehringer Ingelheim Pharmaceuticals, Inc, Ridgefield, Conn.