1. Leon H. Charney Division of Cardiology, New York University School of Medicine, New York, NY (D.M.)
2. Department of Cardiology, Icahn School of Medicine at Mount Sinai, New York, NY (M.G.T., S.S.)
3. British Heart Foundation Centre for Cardiovascular Science, University of Edinburgh, United Kingdom (J.P.M.A., A.R.C., W.S.A.J., A.T.V., M.K.D., T.A.P., D.E.N., M.R.D.)
4. Department of Nuclear Medicine, University Hospital of Brest, France (R.A.)
5. Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands (K.H.Z.)
6. Cardiology Section, San Francisco Veterans Affairs Health Care System and Department of Epidemiology and Biostatistics, University of California, San Francisco, CA (J.R.K.).