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2 Department for Abdominal Surgery, Gastroenterology & Endoscopy, Pirogov RNRMU, Moscow University Hospital N31, Moscow, Russia.
3 Responsable de la Section de Gastroentérologie et d'Endoscopie digestive, Pôle Hépato-Digestif Interdisciplinaire, Hôpitaux Universitaires de Strasbourg - Nouvel Hôpital Civil et IHU, Strasbourg (Cedex), France.
4 Klinische Abteilung für Gastroenterologie und Hepatologie, Universitätsklinik für Innere Medizin, Medizinische Universität Graz, Graz, Austria.
2 Department for Abdominal Surgery, Gastroenterology & Endoscopy, Pirogov RNRMU, Moscow University Hospital N31, Moscow, Russia.
3 Responsable de la Section de Gastroentérologie et d'Endoscopie digestive, Pôle Hépato-Digestif Interdisciplinaire, Hôpitaux Universitaires de Strasbourg - Nouvel Hôpital Civil et IHU, Strasbourg (Cedex), France.
4 Klinische Abteilung für Gastroenterologie und Hepatologie, Universitätsklinik für Innere Medizin, Medizinische Universität Graz, Graz, Austria.