1. Department of Liver and Gastrointestinal Diseases, Biogipuzkoa Health Research Institute, Donostia University Hospital, University of the Basque Country (UPV/EHU), Donostia-San Sebastian, Spain
2. National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd, “Instituto de Salud Carlos III”), Spain
3. IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
4. Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
5. Department of Medicine (DIMED), University of Padova, Padova, Italy
6. First Chair of Internal Medicine, Department of Medicine, Padova University Hospital, Padova, Italy
7. Department of Internal Medicine, Digestive Disease Section, Yale University, New Haven, Connecticut, USA