<affiliation wicri:level="2"><nlm:affiliation>Division of Rheumatology and Clinical Immunology, and Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Department of Immunology, and Center for Biological Imaging, University of Pittsburgh, Pittsburgh, PA 15261.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
<wicri:cityArea>Division of Rheumatology and Clinical Immunology, and Division of Gastroenterology, Hepatology, and Nutrition, Department of Medicine, Department of Immunology, and Center for Biological Imaging, University of Pittsburgh, Pittsburgh</wicri:cityArea>
</affiliation>