1. From the Terrence Donnelly Heart Centre, St. Michael’s Hospital, University of Toronto, Toronto, Ontario, Canada (A.B.); Mount Sinai Medical Center and The Cardiovascular Research Foundation, New York, NY (G.D.D.); Columbia University Medical Center and The Cardiovascular Research Foundation, New York, NY (G.W.S.); and Duke Clinical Research Institute, Durham, NC (C.B.G.).