<affiliation wicri:level="4"><nlm:aff id="I1">Department of Oral Biology, 614 Salk Hall, School of Dental Medicine, University of Pittsburgh, 3501 Terrace Street, 15261 Pittsburgh, PA, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Department of Oral Biology, 614 Salk Hall, School of Dental Medicine, University of Pittsburgh, 3501 Terrace Street, 15261 Pittsburgh, PA</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
<settlement type="city">Pittsburgh</settlement>
</placeName>
<orgName type="university">Université de Pittsburgh</orgName>
</affiliation>