1. From the Mount Sinai School of Medicine, New York, NY (V.F., J.-S.H.); The Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain (V.F.); VA Boston Healthcare System, Boston, MA (D.L.B.); Brigham and Women's Hospital, Boston, MA (D.L.B., A.D.M., M.S.S., J.L.M., K.M.); Duke University Medical Center, Durham, NC (R.M.C.); Boston Children's Hospital, Boston, MA (A.D.M.); Harvard Medical School, Boston, MA (A.D.M., M.S.S., B.F., J.L.M., K.M.); University of Florida College of Medicine...