[1] IDIBAPS, Hosp Clin, Liver Unit, Hepat Hemodynam Lab, Barcelona 08036, Spain
[2] Ciberehd, Barcelona, Spain
[3] Queen Elizabeth Hosp, Liver Unit, Birmingham B15 2TH, W Midlands, England
[4] Hosp Beaujon, Serv Hepatol, Clichy, France
[5] Erasmus MC, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[6] Osped Maggiore Policlin Mangiagalli & Regina Elen, Milan, Italy
[7] ISMETT, Palermo, Italy