1. From the Department of Cardiovascular Medicine, Heart & Vascular Institute, Cleveland Clinic, OH (M.K.C.); Minnetonka, MN (R.G.H.); the Arrhythmia Institute, Valley Health System, New York, NY (S.M., J.S.S.); Division of Cardiology, Department of Medicine, Washington University, St. Louis, MO (M.J.G.); Cardiology Division, Department of Medicine, Massachusetts General Hospital & Harvard Medical School, Boston (T.M.); Division of Infectious Diseases, David Geffen School of Medicine at UCLA,...