1. From the Department of Medicine/Cardiology (T.S., C.F.M., R.H., M.M.Z., J.E.M., D.S., A.C., H.T., S.S., A.K., G.F.T., R.D.B., H.C., H.R.H., S.N.) and Department of Medicine, Radiology and Biomedical Engineering (H.R.H.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD (J.Y., B.S.C.); Department of Medicine/Cardiology, Oregon Health & Science University, Portland, OR (C.A.H.); Department of...