Study concept and design: Fendler, Spertus, Chan.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Fendler, Chan.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Fendler, Kennedy.
Obtained funding: Spertus.
Study supervision: Fendler, Spertus, Chan.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: Dr Fendler is supported by grant T32HL110837 from the National Heart, Lung, and Blood Institute (NHLBI). Dr Chan is funded by grant 1R01HL123980 from the NHLBI. Dr Chen is supported by grant K08 HS020671 from Agency for Healthcare Research and Quality. Outcome, a Quintiles Company, is the data collection coordination center for the American Heart Association/American Stroke Association Get With the Guidelines programs.
Role of the Funder/Sponsor: The sponsors, including the American Heart Association, 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; and decision to submit the manuscript for publication.
Correction: The labels in the key of Figure 2 were corrected online October 20, 2015.