1. Liver Unit; Hospital Clínic, IDIBAPS, University of Barcelona; Barcelona Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd); Barcelona Spain
3. Hospital Clínic; Barcelona Spain
4. Microbiology Department; Centre Diagnòstic Biomèdic, Hospital Clínic; Barcelona Spain
5. Preventive Medicine and Epidemiology Department; Hospital Clínic; Barcelona Spain
6. Barcelona Centre for International Health Research (CRESIB, Hospital Clínic-Universitat de Barcelona); Barcelona Spain
7. Public Health Department; University of Barcelona; Barcelona Spain