Authors Contributions: Dr Holtzer had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Holtzer, Verghese.
Acquisition of data: Lipton, Verghese.
Analysis and interpretation of data: Holtzer, Verghese, Hall, Wang, Lipton
Drafting of the manuscript: Holtzer, Verghese
Critical revision of the manuscript for important intellectual content: Holtzer, Verghese, Hall, Wang, Lipton,
Statistical analysis: Wang, Hall, Holtzer, Verghese.
Obtained funding: Lipton.
Administrative, technical, or material support: Verghese, Lipton.
Study supervision: Holtzer, Verghese
Financial Disclosures: None reported.
Funding/Support: The Einstein Aging Study is supported by the National Institute on Aging program project grant AGO3949. Dr Holtzer is supported by the National Institute on Aging Paul B. Beeson Award K23 AG030857. Dr Verghese is supported by the National Institute on Aging grant AG025119.
Role of the Sponsor: The National Institute on Aging did not have any role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; and preparation, review, or approval of the manuscript.