1. From the Division of Cardiology, Department of Medicine, University of Ottawa Heart Institute, Ontario, Canada (D.J., S.H., C.R., J.B., S.C., G.W., R.S.B.B., B.J.W.C.); Division of Nuclear Medicine, Department of Medicine, University of Ottawa, Ontario, Canada (M.G., L.S.Z., S.G., E.L.); and Division of Nuclear Medicine, Medical Imaging Department, Centre Hospitalier de l’Université de Montréal (CHUM), Montréal, Québec, Canada (D.J.).