<affiliation wicri:level="4"><nlm:aff id="aff13"><institution>School of Molecular Biology, George Mason University</institution>
<country>Fairfax, VA, USA</country>
</nlm:aff>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Division of Pulmonary Medicine, Allergy and Immunology, University of Pittsburgh, Pittsburgh</wicri:regionArea>
<placeName><settlement type="city">Pittsburgh</settlement>
<region type="state">Pennsylvanie</region>
<settlement type="city">Pittsburgh</settlement>
</placeName>
<orgName type="university">Université de Pittsburgh</orgName>
</affiliation>