Accepted for Publication: December 9, 2014.
Published Online: February 24, 2014. doi:10.1001/jamainternmed.2013.14764.
Study concept and design: Tinetti, Han, Lee, Gross.
Acquisition of data: McAvay.
Analysis and interpretation of data: Tinetti, Han, Lee, McAvay, Peduzzi, Zhou, Lin.
Drafting of the manuscript: Tinetti, Lee, Peduzzi.
Critical revision of the manuscript for important intellectual content: Han, McAvay, Peduzzi, Gross, Zhou, Lin.
Statistical analysis: Han, McAvay, Peduzzi, Zhou, Lin.
Obtained funding: Tinetti.
Study supervision: Tinetti.
Conflict of Interest Disclosures: Dr Gross reports receiving research funding from Medtronic (to help design a plan for sharing of patient-level trial data) and from 21st Century Oncology and being on the Scientific Advisory Board of Fair Health, Inc. No other disclosures were reported.
Funding/Support: This research was funded by the National Institute on Aging (grant R01 AG038528 and grant P30 AG021342 to the Yale Pepper Center).
Role of the Sponsor: The funding organization 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.