1 From the Division of Cardiology (D.H.F.) and Cardiac Surgery (M.G., S.V.), Li Ka Shing Knowledge Institute (D.H.F., M.G., M.E.F., S.V.), and Keenan Research Centre for Biomedical Science (S.V.), St. Michael's Hospital, Toronto, Ontario, Canada; Peter Munk Cardiac Centre (M.E.F.),Toronto, Ontario, Canada; Department of Medicine (D.H.F., M.G., M.E.F.) and Surgery (S.V.), University of Toronto, Ontario, Canada; Department of Medicine, McMaster University, Hamilton, Ontario, Canada (M.G.); and the Canadian Cardiovascular Research Network, Brampton, Ontario, Canada (M.G., S.V.).
2 From the Division of Cardiology (D.H.F.) and Cardiac Surgery (M.G., S.V.), Li Ka Shing Knowledge Institute (D.H.F., M.G., M.E.F., S.V.), and Keenan Research Centre for Biomedical Science (S.V.), St. Michael's Hospital, Toronto, Ontario, Canada; Peter Munk Cardiac Centre (M.E.F.),Toronto, Ontario, Canada; Department of Medicine (D.H.F., M.G., M.E.F.) and Surgery (S.V.), University of Toronto, Ontario, Canada; Department of Medicine, McMaster University, Hamilton, Ontario, Canada (M.G.); and the Canadian Cardiovascular Research Network, Brampton, Ontario, Canada (M.G., S.V.). vermasu@smh.ca.