1. From the Schaeffer Center for Health Policy and Economics (J.T., G.J., P.F., J.Z.), and Sol Price School of Public Policy (J.T., J.Z., P.F.), University of Southern California, Los Angeles; Woodruff School of Nursing (K.W.), and Department of Neurology (W.W.), School of Medicine, Emory University, Atlanta, GA; and Mann School of Pharmacy (G.J.), University of Southern California.