Accepted for Publication: March 3, 2012.
Author Contributions:Study concept and design: Teno, Gozalo, Mitchell, Kuo, and Mor. Acquisition of data: Teno. Analysis and interpretation of data: Teno, Gozalo, Mitchell, Kuo, Fulton, and Mor. Drafting of the manuscript: Teno, Gozalo, Mitchell, Kuo, and Mor. Critical revision of the manuscript for important intellectual content: Teno, Gozalo, Mitchell, Kuo, and Fulton. Statistical analysis: Gozalo, Mitchell, Kuo, and Mor. Obtained funding: Teno and Kuo. Administrative, technical, and material support: Teno, Gozalo, and Mor. Study supervision: Teno, Gozalo, and Mor.
Financial Disclosure: None reported.
Funding/Support: This research was funded by National Institute of Aging grant ARRA 1RC1AG036418-01
Additional Contributions: The authors thank Cindy Williams, BA, and Chris Brostrup-Jensen, BA, for their assistance in manuscript preparation and database formation. Their work for our article was performed as part of their employment at Brown University's Center for Gerontology and Health Care Research.