Corresponding Author: Mary M. McDermott, MD, Division of General Internal Medicine and Geriatrics, Northwestern University Feinberg School of Medicine, 750 N Lake Shore Dr, Chicago, IL 60611 (mdm608@northwestern.edu).
Accepted for Publication: March 6, 2018.
Correction: This article was corrected on July 3, 2018, to fix an author’s name that was misspelled in the byline, add the correct academic degrees, and fix the spelling of the last name in the Author Contributions section.
Author Contributions: Dr Tian 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.
Concept and design: McDermott, Spring, Treat-Jacobson, Conte, Creager, Criqui, Ferrucci, Gornik, Guralnik, Hahn, Henke, Kibbe, Tian, Zhao, Rejeski.
Acquisition, analysis, or interpretation of data: McDermott, Spring, Berger, Treat-Jacobson, Creager, Criqui, Ferrucci, Gornik, Guralnik, Hahn, Kibbe, Kohlman-Trigoboff, Li, Lloyd-Jones, McCarthy, Polonsky, Skelly, Tian, Zhao, Zhang, Rejeski.
Drafting of the manuscript: McDermott, Hahn, Li, Tian, Zhang.
Critical revision of the manuscript for important intellectual content: McDermott, Spring, Berger, Treat-Jacobson, Conte, Creager, Criqui, Ferrucci, Gornik, Guralnik, Hahn, Henke, Kibbe, Kohlman-Trigoboff, Li, Lloyd-Jones, McCarthy, Polonsky, Skelly, Zhao, Zhang, Rejeski.
Statistical analysis: Guralnik, Li, Tian, Zhao, Zhang.
Obtained funding: McDermott, Rejeski.
Administrative, technical, or material support: McDermott, Berger, Criqui, Kibbe, McCarthy, Polonsky, Skelly.
Supervision: McDermott, Spring, McCarthy, Rejeski.
Conflict of Interest Disclosures: The authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr McDermott reported receiving grant funding from the National Heart, Lung, and Blood Institute, the National Institute on Aging, Novartis, and Regeneron; nonfinancial support from ViroMed; and the study drug for another peripheral artery disease study from ReserveAge and Hershey’s. Dr Spring reported serving on an ActiGraph scientific advisory board. Dr Berger reported receiving grant funding from AstraZeneca, Janssen, and the National Institutes of Health. Dr Conte reported serving on the clinical advisory board for Abbott Vascular; serving on the scientific advisory board for Symic; and receiving funding from the National Heart, Lung, and Blood Institute. Dr Gornik reported receiving research support from AstraZeneca; and having a patent pending regarding a method to measure ankle brachial index. Dr Guralnik reported receiving personal fees from Pluristem Pharma, Boeringer-Ingleheim, and Viking Therapeutics. Dr Skelly reported having editor royalty agreements with Springer and Inside Ultrasound; and being the co-founder of Maji Therapeutics. No other disclosures were reported.
Funding/Support: The study was supported by grant CER-1306-02719 from the Patient-Centered Outcomes Research Institute and funding from the intramural program at the National Institute on Aging.
Role of the Funder/Sponsor: 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; and decision to submit the manuscript for publication.
Disclaimer: Dr McDermott is Senior Editor of JAMA, but she was not involved in any of the decisions regarding review of the manuscript or its acceptance.
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