1. North Metropolitan International Health Unit, Institut Català de la Salut, Universitat Autònoma de Barcelona, Santa Coloma de Gramenet, Spain
2. Infectious Diseases Unit, Internal Medicine Department, University Hospital Germans Trias i Pujol, Badalona, Spain
3. Motility and Functional Gut Disorders Unit, University Hospital Germans Trias i Pujol, Badalona, Spain
4. Radiology Unit, SAP Santa Coloma de Gramenet, Santa Coloma de Gramenet, Spain
5. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (Ciberehd), Department of Medicine, Autonomous University of Barcelona, Barcelona, Spain