1. Lab of Gastroenterology and Hepatology State Key Laboratory of Biotherapy West China Hospital Sichuan University Chengdu China
2. Department of Gastroenterology West China Hospital Sichuan University Chengdu China
3. Department of Gastroenterology, Hepatopancreatology, and Digestive Oncology CUB Hôpital Erasme Université Libre de Bruxelles Brussels Belgium
4. Department of Gastroenterology and Hepatology CHU UCL Namur Université Catholique de Louvain Yvoir Belgium
5. Department of Gastroenterology and Hepatology Clinique St Luc Bouge Belgium