1. From the Division of Cardiology, Sir Mortimer B. Davis Jewish General Hospital, Montreal, Canada (D.L., E.S.); College of Physicians and Surgeons, Columbia University, New York, NY (R.J.B.); University of Colorado Health Sciences Center, Denver, Colo (D.B., B.M.G.); Duke University Medical Center, Durham, NC (V.F.T.); Presbyterian University Hospital, Pittsburgh, Pa (S.M.); University of Alabama, Birmingham, Ala (R.C.B.); Washington University, St. Louis, Mo (N.E.); Glaxo Wellcome Inc, Research...