School of Nursing (Drs Resnick, Galik, Drazich, Wells, Renn, and Dorsey, and Ms Ellis) and School of Medicine (Dr McPherson), University of Maryland, Baltimore; and Penn State University, University Park, Pennsylvania (Drs Boltz and Kuzmik).

Correspondence: Barbara Resnick, PhD, CRNP, School of Nursing, University of Maryland, 655 West Lombard St, Baltimore, MD 21218 ([email protected]).

This study was funded by the National Institute of Aging grant no. R01 AG065338.

The authors declare they have no conflicts of interest.