1. Department of Hepatology and Gastroenterology, Pôle Hépato-digestif, Nouvel Hôpital Civil, Hôpitaux Universitaires de Strasbourg (HUS), Strasbourg, France
2. IHU-Strasbourg (Institut Hospitalo-Universitaire), Strasbourg, France
3. Department of Visceral and Digestive Surgery, Pôle Hépato-digestif, Nouvel Hôpital Civil, HUS, Strasbourg, France
4. Department of Pathology, HUS, Strasbourg, France
5. Department of Endoscopy and Hepatogastroenterology, Pavillon L, Edouard Herriot Hospital, Lyon, France