1. Radiology Department IBD Unit; Hospital Clínic de Barcelona; Barcelona Spain
2. Centro de Investigación Biomédica en Red Enfermedades Hepáticas y Digestivas (CIBERehd); Barcelona Spain
3. Gastroenterology Department; IBD Unit; Hospital Clínic de Barcelona; Barcelona Spain
4. Radiology Department; Policlinico Universitario Sant’Orsola-Malpighi; Bologna Italy
5. Statistician Freelance; Barcelona Spain
6. Gastroenterology Department; Hospital regional de Concepción; Concepcion Chile
7. Institut d’Investigació Biomèdica August Pi i Sunyer (IDIBAPS); Barcelona Spain
8. University of Barcelona; Barcelona Spain