<affiliation wicri:level="2"><nlm:affiliation>Department of Radiology, Neuroradiology Division, University of Pittsburgh Medical Center, Presby South Tower, Suite 3950, 200 Lothrop St, Pittsburgh, PA 15213, USA. Electronic address: kaleh@upmc.edu.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Radiology, Neuroradiology Division, University of Pittsburgh Medical Center, Presby South Tower, Suite 3950, 200 Lothrop St, Pittsburgh, PA 15213</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
</affiliation>