title: Letter from Donald M. Berwick, MD, MPP, guest editor.
authors: Donald M
authors: DM
authors: Berwick
mesh_terms: D005582:Foundations / Q000458:organization & administration*; D006801:Humans; D008329:Managed Care Programs / Q000458:organization & administration*; D009937:Organizational Objectives; D011787:Quality of Health Care / Q000458:organization & administration*; D014481:United States