1. From the Thrombolysis in Myocardial Infarction Study Group, Cardiovascular Division, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Mass (J.L.M., S.D.W., E.M.A., E.B., M.S.S.); Eli Lilly and Company, Indianapolis, Ind (S.L.C., L.S., J.T.B., W.L.M.); Affymetrix, Santa Clara, Calif (R.D.H.); and Daiichi Sankyo, Inc. Parsippany, NJ (J.R.W.).