<affiliation wicri:level="2"><nlm:aff id="A1">Center for Innovative Regenerative Therapies, Department of Surgery, Transplantation Section, Children’s Hospital of Pittsburgh, Pittsburgh, PA, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Center for Innovative Regenerative Therapies, Department of Surgery, Transplantation Section, Children’s Hospital of Pittsburgh, Pittsburgh, PA</wicri:regionArea>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
</affiliation>