[1
]
Department of Medicine, Division of Cardiology, Section of Cardiac Electrophysiology,
University of California San Francisco, San Francisco, California.
[2
]
Abbott, Cardiac Arrhythmias, Chicago, Illinois.
[3
]
Department of Medicine, Section of Cardiology, Center for Arrhythmia Care, University
of Chicago Medicine, Chicago, Illinois.
[4
]
Department of Surgery, Section of Cardiac and Thoracic Surgery, University of Chicago
Medicine, Chicago, Illinois.
[5
]
Department of Medicine, Division of Cardiology, Section of Heart Failure, University
of California San Francisco, San Francisco, California.
[6
]
Department of Surgery, Division of Adult Cardiothoracic Surgery, University of California
San Francisco, San Francisco, California.
[7
]
Department of Medicine, Section of Cardiology, University of Chicago Medicine, Chicago,
IL.