1. From the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Madrid, Spain (E.L.-P., V.A., V.F., B.I.); CIBER de Enfermedades Cardiovasculares (CIBERCV), Madrid, Spain (E.L.-P., V.A., F.F.-A., B.I.); National Heart and Lung Institute, Imperial College London, United Kingdom (E.L.-P.); Servicio de Cardiología, Hospital General Universitario Gregorio Marañón, Madrid, Spain (F.F.-A.); The Zena and Michael A. Wiener CVI, Icahn School of Medicine at Mount Sinai, NY (V.F.); and...