1. From the Institute of Clinical Evaluative Sciences, Toronto, Ontario, Canada (M.K.Y.W., F.Q., P.C.A., D.C.S., J.V.T., H.C.W., D.T.K.); Department of Medicine, University of Toronto, Toronto, Ontario, Canada (M.K.Y.W., L.J.M., S.C., P.D., D.C.S., J.V.T., P.R.V., H.C.W., D.T.K.); Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, Ontario, Canada (L.J.M., S.C., P.D., P.R.V.); Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada (S.C., D.C.S., J.V.T., P.R.V.); Schulich Heart Centre,...