1. Department of Gastroenterology and Hepatology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Insitute Sant Pau (IIB Sant Pau), 08041 Barcelona, Spain
2. Departament Medicina UAB, Universitat Autònoma de Barcelona, 08193 Barcelona, Spain
3. Inflammatory Diseases Department, Institut Recerca Hospital de la Santa Creu i Sant Pau (IR Sant Pau), 08041 Barcelona, Spain
4. Centre for Biomedical Research in Liver and Digestive Diseases Network (CIBERehd), Instituto de Salud Carlos III, 28029 Madrid, Spain