<affiliation wicri:level="2"><nlm:aff id="aff1">Departments of Pediatrics and Molecular Genetics and Microbiology, Duke University Medical Center, Children's Health Center, Durham, North Carolina, USA</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Departments of Pediatrics and Molecular Genetics and Microbiology, Duke University Medical Center, Children's Health Center, Durham, North Carolina</wicri:regionArea>
<placeName><region type="state">Caroline du Nord</region>
</placeName>
</affiliation>