1. IRCAD/ EITS, Department of General, Digestive and Endocrine Surgery, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
2. Department of Gastroenterology, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France
3. Department of Radiology, Nouvel Hôpital Civil, University Hospital of Strasbourg, Strasbourg, France