1. Barcelona Hepatic Hemodynamic Laboratory, Liver Unit; Hospital Clínic-IDIBAPS; University of Barcelona; Barcelona Spain
2. Biostatistics and Data Management Core Facility, IDIBAPS; Hospital Clinic Barcelona; Barcelona Spain
3. Biostatistics Unit, Faculty of Medicine; Universitat Autònoma de Barcelona; Barcelona Spain
4. CIBERehd (Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas); Barcelona Spain