1. From the Division of Cardiology, University of Washington, Seattle (J.M.M.); Division of Cardiology, St. Luke’s/Mid America Heart Institute, Kansas City, MO (K.F.K.); Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Boston, MA (A.C.E.); Division of Cardiology, North Shore Medical Center, Salem, MA (H.M.W.); Department of Medicine (E.A.M.) and Cardiology Division (E.P., R.W.Y.), Massachusetts General Hospital, Boston; and Division of Cardiovascular Medicine, Lahey Clinic/Tufts...