[1
]
Cardiac Electrophysiology Section, Division of Cardiology, Department of Medicine,
University of California, San Francisco, California.
[2
]
Knight Cardiovascular Institute, Oregon Health & Science University, Portland, Oregon.
[3
]
Department of Epidemiology and Biostatistics, University of California, San Francisco,
California.
[4
]
Department of Medicine, Stanford University School of Medicine, Stanford, California.
[5
]
Cardiovascular Health Research Unit, University of Washington, Seattle, Washington.
[6
]
Cardiovascular Health Research Unit, University of Washington, Seattle, Washington;
New York Academy of Medicine, New York, New York.
[7
]
Cardiovascular Division, Washington University School of Medicine, Seattle, Washington.
[8
]
Cardiovascular Health Research Unit, University of Washington, Seattle, Washington;
Departments of Medicine, Epidemiology, and Health Services, University of Washington,
Seattle, Washington; Group Health Research Institute, Group Health Cooperative, Seattle,
Washington.
[9
]
Cardiovascular Health Research Unit, University of Washington, Seattle, Washington;
Division of Cardiology, University of Washington, Seattle, Washington.
[10
]
Division of Cardiology, University of Maryland Medical Center, Baltimore, Maryland.
[11
]
Cardiac Electrophysiology Section, Division of Cardiology, Department of Medicine,
University of California, San Francisco, California. Electronic address: marcusg@medicine.ucsf.edu.