<affiliation wicri:level="4"><nlm:affiliation>†Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>†Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260</wicri:regionArea>
<orgName type="university">Université de Pittsburgh</orgName>
<placeName><settlement type="city">Pittsburgh</settlement>
<region type="state">Pennsylvanie</region>
</placeName>
</affiliation>