Robert E Burke1,2,3, Rebecca T Brown1,3,4,5, Bruce Kinosian1,3,4,5. 1. Center for Health Equity Research and Promotion, Corporal Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA. 2. Division of General Internal Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 3. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 4. Division of Geriatric Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA. 5. Geriatrics and Extended Care, Corporal Crescenz VA Medical Center, Philadelphia, Pennsylvania, USA.