<affiliation wicri:level="3"><nlm:affiliation>Department of Medicine and Gastroenterology, Municipal Hospital (Katharinen), Stuttgart, Germany.</nlm:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Department of Medicine and Gastroenterology, Municipal Hospital (Katharinen), Stuttgart</wicri:regionArea>
<placeName><region type="land" nuts="1">Bade-Wurtemberg</region>
<region type="district" nuts="2">District de Stuttgart</region>
<settlement type="city">Stuttgart</settlement>
</placeName>
</affiliation>