1. Tytgat Institute for Liver and Intestinal Research, Academic Medical CenterUniversity of AmsterdamAmsterdam The Netherlands
2. Department of Liver and Gastrointestinal Diseases, Biodonostia Health Research Institute, Donostia University HospitalUniversity of the Basque Country (UPV/EHU)San Sebastián Spain
3. National Institute for the Study of Liver and Gastrointestinal Diseases (CIBERehd, Instituto de Salud Carlos III)Madrid Spain