1 Liver Department, Rennes University Hospital, France; Inserm U1241, NuMeCan Institute - University of Rennes, France. Electronic address: florent.artru@univ-rennes.fr.
2 Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria; Vienna Hepatic Hemodynamic Lab, Division of Gastroenterology and Hepatology, Department of Medicine III, Medical University of Vienna, Vienna, Austria; Christian Doppler Lab for Portal Hypertension and Liver Fibrosis, Medical University of Vienna, Vienna, Austria. Electronic address: thomas.reiberger@meduniwien.ac.at.