Author Contributions: Dr Hernandez 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: B. Hammill, S. Hammill, Masoudi, Peterson, Fonarow, Curtis, Hernandez.
Acquisition of data: Peterson, Fonarow, Curtis, Hernandez.
Analysis and interpretation of data: Mi, S. Hammill, Heidenreich, Masoudi, Qualls, Fonarow, Hernandez.
Drafting of the manuscript: Mi, S. Hammill, Peterson, Fonarow, Hernandez.
Critical revision of the manuscript for important intellectual content: B. Hammill, S. Hammill, Heidenreich, Masoudi, Qualls, Peterson, Fonarow, Curtis.
Statistical analysis: Mi, B. Hammill.
Obtained funding: Peterson, Fonarow, Curtis, Hernandez.
Administrative, technical, or material support: Qualls, Fonarow, Hernandez.
Study supervision: Fonarow, Curtis, Hernandez.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Hernandez reported receiving grant funding from Amylin Pharmaceutical and Johnson & Johnson; and receiving honoraria from AstraZeneca, Corthera, and sanofi-aventis. Dr Masoudi reported receiving salary support through his institution from the American College of Cardiology and the Oklahoma Foundation for Medical Quality; and receiving payment for editorial board service from the American Heart Association and the Massachusetts Medical Society. Dr Peterson reported receiving grant funding from Eli Lilly& Co and Johnson & Johnson. Dr Fonarow reported receiving grant funding and other research support from GlaxoSmithKline; receiving honoraria from Boston Scientific/Guidant, GlaxoSmithKline, Medtronic, Merck, Novartis, Pfizer, and St Jude Medical; and serving as a consultant for Amgen, Gambro, GlaxoSmithKline, Medtronic, Merck, Novartis, Pfizer, Relypsa, Scios, and St Jude Medical. Dr Fonarow holds the Eliot Corday Chair of Cardiovascular Medicine at UCLA and is also supported by the Ahmanson Foundation. Dr Curtis reported receiving grant funding from GlaxoSmithKline, Johnson & Johnson, and the National Heart, Lung, and Blood Institute. Drs Hernandez, Setoguchi, Peterson, and Curtis have made available online detailed listings of financial disclosures (https://www.dcri.org/about-us/conflict-of-interest).
Funding/Support: This study was funded under contract number HHSA29020050032I (Duke University DEcIDE Center) from the Agency for Healthcare Research and Quality, US Department of Health and Human Services, as part of the Developing Evidence to Inform Decisions about Effectiveness (DEcIDE) program. Dr Peterson was supported in part by grant number U19HS021092 from the Agency for Healthcare Research and Quality. Get With the Guidelines-Heart Failure is provided by the American Heart Association; is currently supported in part by Medtronic, Ortho-McNeil, and the American Heart Association Pharmaceutical Roundtable; and had been funded through support from GlaxoSmithKline.
Role of the Sponsor: The Agency for Healthcare Research and Quality had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.
Disclaimer: The authors of this report are responsible for its content. Statements in the report should not be construed as endorsement by the Agency for Healthcare Research and Quality or the US Department of Health and Human Services. Dr Peterson, a contributing editor for JAMA, was not involved in the editorial review of or the decision to publish this article.
Additional Contributions: Damon M. Seils, MA, Duke University, provided editorial assistance and prepared the manuscript. Mr Seils did not receive compensation for his assistance apart from his employment at the institution where the study was conducted.