1. Cardiology, University of Ottawa Heart Institute, Ottawa, Canada (R.G.W., S.G.C.-W., L.H., Y.K., T.D.R.).
2. Medizinische Hochschule Hannover, Hannover, Germany (F.M.B., J.D.).
3. Nuclear Medicine, Università & Spedali Civili, Brescia, Italy (L.C., E.C.).
4. Department of Radiology, Ehime University Graduate School of Medicine, Ehime, Japan (N.K., M.M.).
5. Cardiology, National Heart Center Singapore, Singapore (Y.J.F.K., X.F.T.).
6. GE Healthcare, Haifa, Israel (H.R.).