1. School of Nursing, University of Alabama at Birmingham, Birmingham, AL, USA
2. Division of Cardiology, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
3. Adult and Child Consortium for Health Outcomes Research and Delivery Science, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
4. Division of Geriatric Medicine, Department of Medicine, University of Colorado School of Medicine, Aurora, CO, USA
5. VA Eastern Colorado Geriatric Research Education and Clinical Center, Denver, CO, USA