1. Hepatic Hemodynamic Laboratory, Liver Unit Hospital Clinic–IDIBAPS University of Barcelona Barcelona Spain
2. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (Ciberehd) Barcelona Spain
3. Fondazione IRCCS Ca’ Granda, Ospedale Maggiore Policlinico, Medicina Generale–Emostasi e Trombosi Milano Italy
4. CRC “A.M. e A. Migliavacca” per lo Studio e la Cura delle Malattie del Fegato Milano Italy
5. Dipartimento di Scienze Biomediche per la Salute Università Degli Studi di Milano Milano Italy
6. Gastrointestinal Bleeding Unit Department of Gastroenterology Hospital de Sant Pau, Autonomous University Barcelona Spain
7. Swiss Liver, Hepatology University Clinic for Visceral Medicine and Surgery, Inselspital University of Bern Bern Switzerland
8. Division of Gastroenterology University of Alberta Edmonton AB Canada