[1] Hosp Clin Barcelona, Liver Unit, Barcelona Hepat Hemodynam Lab, Barcelona, Spain
[2] Inst Invest Biomed August Pi & Sunyer IDIBAPS, Barcelona, Spain
[3] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain
[4] Med Univ Vienna, Dept Internal Med 3, Div Gastroenterol & Hepatol, Vienna Hepat Hemodynam Lab, Vienna, Austria
[5] VA Connecticut Healthcare Syst, Sect Digest Dis, West Haven, CT USA
[6] Yale Sch Med, Sect Digest Dis, New Haven, CT USA