1. From the Tallahassee Heart and Vascular Institute, Tallahassee, Fla (W.B.B); Duke Clinical Research Institute, Durham, NC (T.R.T., R.L.L., J.H., R.M.M., P.D., Y.H., M.H.S., E.M.O., J.P.Z., J.E.T., R.M.C., R.A.H.); St. Michael’s Hospital, Toronto, Ontario, Canada (W.J.C.); North Carolina State University, Raleigh (M.D., D.Z.); COR Therapeutics, Inc, South San Francisco, California (D.G.); and Merck & Co, Inc, West Point, Pa (P.M.D.).