1 Vanderbilt University Medical Center, Nashville, Tennessee. Electronic address: travis.d.richardson@vumc.org.
2 Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.
3 Department of Cardiology, Tel Aviv Sourasky Medical Center and Tel Aviv University, Israel.
4 The Leon H. Charney Division of Cardiology, New York University School of Medicine, New York, New York.
5 Division of Cardiology, Cardiac Arrhythmia Service, Albert Einstein/Montefiore Medical Center, Bronx, New York.
6 Virginia Commonwealth University School of Medicine, Richmond, Virginia.
7 Department of Cardiology, Royal Brompton Hospital, Guy's and St. Thomas' NHS Foundation Trust, London, United Kingdom; National Heart and Lung Institute, Imperial College, London, United Kingdom.
8 Division of Cardiology, Peter Munk Cardiac Center, University Health Network, Toronto, Ontario, Canada.
9 Department of Medicine, University of Arizona College of Medicine, Tucson, Arizona.
10 Vanderbilt University Medical Center, Nashville, Tennessee.
11 Section of Cardiac Pacing and Electrophysiology, Heart and Vascular Institute Cleveland Clinic Foundation, Cleveland, Ohio.
12 Department of Cardiology, Kyorin University School of Medicine, Mitaka, Tokyo, Japan.
13 Smidt Heart Center, Cedars Sinai Medical Center, Los Angeles, California.
14 Banner University Medical Center-Phoenix, University of Arizona, College of Medicine, Phoenix, Arizona.
15 Geisinger Heart Institute, Geisinger Commonwealth School of Medicine, Wilkes-Barre, Pennsylvania.
16 Department of Clinical and Experimental Cardiology, Academic Medical Center, Amsterdam, The Netherlands.
17 Krannert Institute of Cardiology, Indiana University School of Medicine, Indianapolis, Indiana.