1. From the Center for Health Equity Research and Promotion, Philadelphia Veterans Affairs Medical Center (D.A.A., K.G.V.), and the Perelman School of Medicine (D.A.A., K.G.V.), the Wharton School (D.A.A., K.G.V.), the Center for Health Incentives and Behavioral Economics, Leonard Davis Institute of Health Economics (D.A.A., R.W.M., K.G.V.), and the University of Pennsylvania Health System (R.W.M.), University of Pennsylvania — all in Philadelphia.