title: Invited commentary.
authors.affiliation: Department of Radiology, Beth Israel Deaconess Medical CenterBoston, MA, USA.
authors.forename: Jonathan B
authors.initials: JB
authors.lastname: Kruskal
authors.forename: Allen
authors.initials: A
authors.lastname: Reedy
mesh_terms: D017146:Models, Organizational; D009937:Organizational Objectives; D017410:Practice Guidelines as Topic; D011785:Quality Assurance, Health Care / Q000592:standards*; D011871:Radiology / Q000592:standards*; D014481:United States