<affiliation wicri:level="4"><nlm:affiliation>School of Medicine, University of Pittsburgh, 5115 Centre Ave, Suite 140, Pittsburgh, PA, USA, lowerya@upmc.edu.</nlm:affiliation>
<country wicri:rule="url">États-Unis</country>
<wicri:regionArea>School of Medicine, University of Pittsburgh, 5115 Centre Ave, Suite 140, Pittsburgh, PA, USA</wicri:regionArea>
<orgName type="university">Université de Pittsburgh</orgName>
<placeName><settlement type="city">Pittsburgh</settlement>
<region type="state">Pennsylvanie</region>
</placeName>
</affiliation>