1. From the Li Ka Shing Knowledge Institute of St. Michael's Hospital, Toronto, Ontario, Canada (A.B.); Terrence Donnelly Heart Center, St. Michael’s Hospital, University of Toronto, Ontario, Canada (A.B., A.N.C., A.T.Y., A.D., S.G.G.); Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada (M.E., M.K., H.C.W., D.T.K.); Division of Cardiology, Scripps Clinic and Research Institute, San Diego, CA (S.P.B.); Schulich Heart Centre, Sunnybrook Health Sciences Centre, University of Toronto,...