<affiliation wicri:level="1"><nlm:affiliation>Clinic for Gastroenterology, Hepatology and Infectiology, University of Düsseldorf, Germany.</nlm:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Clinic for Gastroenterology, Hepatology and Infectiology, University of Düsseldorf</wicri:regionArea>
<wicri:noRegion>University of Düsseldorf</wicri:noRegion>
<wicri:noRegion>University of Düsseldorf</wicri:noRegion>
<wicri:noRegion>University of Düsseldorf</wicri:noRegion>
</affiliation>