1. Research Department, Eastern Colorado Veterans Administration, Aurora, CO
2. Department of Occupational Therapy, Colorado State University, Fort Collins, Colorado, USA
3. Department of Physical Medicine and Rehabilitation, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
4. Division of Geriatric Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
5. Geriatric Research Education and Clinical Center (GRECC), Eastern Colorado Veterans Administration, Aurora, Colorado, USA