Author Contributions: Dr Anderson 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: Lyngbaek, Gislason, Torp-Pedersen, Andersson.
Analysis and interpretation of data: Lyngbaek, Nguyen, Nielsen, Gislason, Køber, Torp-Pedersen, Andersson.
Drafting of the manuscript: Lyngbaek, Andersson.
Critical revision of the manuscript for important intellectual content: Lyngbaek, Nguyen, Nielsen, Gislason, Køber, Torp-Pedersen, Andersson.
Statistical analysis: Køber, Torp-Pedersen, Andersson.
Obtained funding: Torp-Pedersen.
Administrative, technical, or material support: Torp-Pedersen.
Study supervision: Gislason, Køber, Torp-Pedersen.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Køber reported that he has received honorarium as speaker for Servier. Dr Torp-Pedersen reported that he has served on advisory boards and served on study steering committees for Cardiome, Sanofi, and Merck; and has obtained research grants from Bristol-Myers Squibb, and Sanofi. Dr Andersson reported receiving a month's salary for work on the study.
Funding/Support: The study was funded by an internal research foundation grant from Department of Cardiology, Gentofte Hospital.
Role of the Sponsor: The foundation had no influence on design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
This article was corrected for errors on September 11, 2012.