Institution: | 1. Department of Cardiothoracic Surgery;2. Department of Cardiac Electrophysiology, University of California, , San Diego, California;3. Scripps Clinic, , La Jolla, California;4. St. Jude Medical, Cardiac Rhythm Management Division, , Sylmar, California;5. Division of Cardiology, Cedars‐Sinai Medical Center and the UCLA School of Medicine, , Los Angeles, California;6. Ohio State University Division of Cardiovascular Medicine, , Columbus, Ohio |