<affiliation wicri:level="2"><nlm:affiliation>*Department of Medicine, Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia; †Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh School of Medicine; ‡Department of Surgery, Division of Surgical Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; §Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; ‖Department of Pathology, Division of Anatomic Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; ¶Department of Medicine, Section of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire; **Department of Medicine, Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, North Carolina; and ††Department of Medicine, Division of Gastroenterology and Hepatology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania.</nlm:affiliation>
<country xml:lang="fr">États-Unis</country>
<placeName><region type="state">Pennsylvanie</region>
</placeName>
<wicri:cityArea>*Department of Medicine, Division of Digestive Diseases, Emory University School of Medicine, Atlanta, Georgia; †Division of Gastroenterology, Hepatology, and Nutrition, University of Pittsburgh School of Medicine; ‡Department of Surgery, Division of Surgical Oncology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; §Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; ‖Department of Pathology, Division of Anatomic Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; ¶Department of Medicine, Section of Gastroenterology and Hepatology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire; **Department of Medicine, Division of Gastroenterology and Hepatology, University of North Carolina School of Medicine, Chapel Hill, North Carolina; and ††Department of Medicine, Division of Gastroenterology and Hepatology, Penn State Milton S. Hershey Medical Center, Hershey</wicri:cityArea>
</affiliation>