[1
]
Department of Medicine, Division of Cardiology, Duke University Medical Center, Durham,
North Carolina.
[2
]
Department of Internal Medicine, Division of Cardiology, California Pacific Medical
Center, San Francisco, California.
[3
]
Department of Internal Medicine, Division of Cardiology, Veterans Affairs North Texas
Healthcare System and University of Texas Southwestern Medical Center, Dallas, Texas.
[4
]
Department of Medicine, Division of Cardiology, Denver Veterans Affairs Medical Center,
Denver, Colorado.
[5
]
Department of Clinical Informatics, Division of Cardiology, Sutter Pacific Heart Centers,
San Francisco, California.