1. From the Division of Cardiology, Johns Hopkins University School of Medicine, Baltimore, MD (A.A.-Z.); CVPath Institute, Gaithersburg, MD (M.N., R.B.); Zena and Michael A. Wiener Cardiovascular Institute, Mount Sinai School of Medicine, New York, NY, and Fundación Centro Nacional de Investigaciones Cardiovasculares Carlos III, Madrid, Spain (V.F.).