Author Contributions: Dr Domanski had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Domanski, Farkouh, Hasselblad, Pieper, Mahaffey.
Acquisition of data: Pieper, Farkouh.
Analysis and interpretation of data: Domanski, Mahaffey, Hasselblad, Smith, Alexander, Broderick, Pieper, Farkouh.
Drafting of the manuscript: Domanski, Farkouh.
Critical revision of the manuscript for important intellectual content: Domanski, Mahaffey, Hasselblad, Brener, Smith, Hillis, Engoren, Alexander, Levy, Chaitman, Broderick, Mack, Pieper, Farkouh.
Statistical analysis: Hasselblad, Pieper.
Administrative, technical, or material support: Domanski, Farkouh, Hasselblad, Pieper, Mahaffey.
Study supervision: Domanski, Farkouh, Mahaffey.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest.
Additional Disclosures: Dr Brener reported that he has served as a consultant to the Cardiovascular Research Foundation and has received payment for developing educational programs for and serving on the speakers bureau of Eli Lilly. Dr Hillis reported that he has received grant support from Abbott Diagnostics and from Roche Diagnostics. Dr Alexander reported that he has served as a consultant for AstraZeneca, Bayer, Boeringer Ingelheim, Bristol-Myers Squibb, CSL Bhering, Merck, Novartis Pharmaceuticals, Ortho-McNeil-Jannsen, Otsuka Pharmaceuticals, and Regado Biosciences; that his institution has received grants from Bristol-Myers Squibb, CSL Behring, Medtronic Japan, Merck, the National Institutes of Health, Pfizer, and Regado Biosciences; and support for travel and other meeting-related expenses from Duke Private Diagnostic Clinic and Duke Health System. Dr Levy reported receiving grant support from Alexion. Dr Mack reported serving as a consultant for Edwards Lifesciences, Boston Scientific; and receiving grant support from Edwards Lifesciences and Boston Scientific.
This article was corrected online for errors on February 4, 2011.
This article was corrected online for errors on February 28, 2011.