1. Department of Gastroenterology and Hepatology Clinique St Luc Bouge Belgium
2. Department of Gastroenterology, Hepatopancreatology, and Digestive Oncology CUB Hôpital Erasme Université Libre de Bruxelles Brussels Belgium
3. Department of Gastroenterology and Hepatology CHU UCL Namur Université Catholique de Louvain Yvoir Belgium
4. Laboratory of Experimental Gastroenterology Université Libre de Bruxelles Brussels Belgium