Accepted for Publication: November 20, 2015.
Published Online: February 24, 2016. doi:10.1001/jamacardio.2015.0275.
Study concept and design: Anderson, Nichol, Berg, Bradley.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Anderson, Nichol.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Anderson, Dai, Thomas.
Obtained funding: Anderson.
Study supervision: Nichol, Berg, Peterson.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Chan reported receiving funding from grant 1R01HL123980 from the National Heart, Lung, and Blood Institute. Dr Peterson reported receiving industry funding from Janssen and consulting funding from Boehringer Ingelheim, Janssen, Sanofi, Bayer, Merck, and AstraZeneca. No other disclosures were reported.
Funding/Support: This study was supported by the Duke Clinical Research Institute (Durham, North Carolina). Dr Anderson is personally funded by the following career development award: National Institutes of Health Common Fund research supplements to promote diversity in health-related research under award 3U54AT007748-02S1.
Role of the Funder/Sponsor: The Duke Clinical Research Institute is responsible for 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.
Group Information: American Heart Association’s Get With the Guidelines–Resuscitation Investigators are listed in the eAppendix in the Supplement.
Additional Contributions: We thank Barbara Lytle, MS, for her project leadership and Erin Hanley, MS, for her editorial contributions to the manuscript. Neither Ms Lytle nor Ms Hanley received compensation for their contributions apart from their employment at the institution where this study was conducted. Ms Lytle and Ms Hanley are employees of the Duke Clinical Research Institute, Duke University Medical Center, Durham, North Carolina.