Study concept and design: Jørgensen, Torp-Pedersen, Gislason, Jensen, Andersson.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Jørgensen.
Critical revision of the manuscript for important intellectual content: Torp-Pedersen, Gislason, Jensen, Berger, Christiansen, Overgaard, Schmiegelow, Andersson.
Statistical analysis: Jørgensen, Torp-Pedersen, Gislason, Schmiegelow, Andersson.
Administrative, technical, or material support: Gislason, Christiansen.
Study supervision: Torp-Pedersen, Gislason, Jensen, Overgaard, Andersson.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Torp-Pedersen reports grants and personal fees from Cardiome, Merck, Sanofi, and Daiichi and grants from Bristol-Myers Squibb. Dr Christiansen reports travel grants from the Lundbeck Foundation. Dr Andersson reports grants from AstraZeneca. No other disclosures were reported.
Funding/Support: Dr Andersson was funded by an independent research grant from the Danish Agency for Science, Technology and Innovation (grant FSS-11-120873). Dr Gislason is supported by an independent research scholarship from the Novo Nordisk Foundation. Dr Schmiegelow was funded by an independent research grant from the University of Copenhagen.
Role of the Sponsors: The sponsors had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.