<affiliation wicri:level="2"><nlm:affiliation>Institute for Technology Assessment, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA. ben@mgh-ita.org</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Institute for Technology Assessment, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114</wicri:regionArea>
<placeName><region type="state">Massachusetts</region>
</placeName>
</affiliation>