Author Contributions: Dr Cram and Ms Lu had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Cram, Lu, Wolf.
Acquisition of data: Cram, Lu.
Analysis and interpretation of data: Cram, Lu, Kates, Singh, Li, Wolf.
Drafting of the manuscript: Cram, Lu, Kates.
Critical revision of the manuscript for important intellectual content: Cram, Singh, Li, Wolf.
Statistical analysis: Lu.
Obtained funding: Cram.
Administrative, technical, or material support: Cram, Lu, Singh, Li, Wolf.
Study supervision: Cram, Kates, Wolf.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Cram reported that he is supported by a K24 award from NIAMS (AR062133) and by the Department of Veterans Affairs and that he has received consulting fees from The Consumers Union (publisher of Consumer Reports magazine) and Vanguard Health Inc for work advice on quality improvement initiatives. Dr Kates reported that he receives institutional research funding from AHRQ, Synthes USA, the American Geriatrics Society, the John Hartford Foundation, and the AO Research Foundation. Dr Singh reported that he receives institutional research funding from AHRQ, US Food and Drug Administration, NIA, Takeda Pharmaceuticals, and Savient Pharmaceuticals; is a consultant for Takeda, Novartis, Savient, URL, and Ardea; has received travel grants from Allergan, Wyeth, Amgen, and Takeda; and has received speaker honoraria from Abbott. No other authors reported disclosures.
Funding/Support: This work is funded in-part by grants R01 HL085347 from NHLBI and R01 AG033035 from NIA.
Role of the Sponsor: The sponsors had no role in the design and conduct of the study; in the collection, analysis, and interpretation of data; in the preparation of the manuscript; or in the review or approval of the manuscript.
Disclaimer: The views expressed in this article are those of the authors and do not necessarily represent the views of the Department of Veterans Affairs.
Online-Only Material:An Author Video Interview is available here.