1. Hepatic Hemodynamic Laboratory Liver Unit; Hospital Clinic, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), University of Barcelona; Barcelona Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd); University of Barcelona; Barcelona Spain
3. Department of Medicine; University of Arizona College of Medicine; Tucson AZ