1 Department of Hepatology and Gastroenterology, Pôle Hépato-digestif, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg (HUS), Strasbourg, France.
2 Digestive Endoscopy, IHU-Strasbourg (Institut Hospitalo-Universitaire), Strasbourg, France.
3 Inserm U1110, Institute for Viral and Liver Diseases, LabEx HepSYS, University of Strasbourg, Faculty of Medicine, Strasbourg, France.