[1] Marques de Valdecilla Univ Hosp, Valdecilla Res Inst IDIVAL, Gastroenterol & Hepatol Dept, Clin & Translat Res Digest Dis Grp, Santander, Spain
[2] Univ Barcelona, Liver Unit, Fundacio Clin Recerca Biomed FCRB, Hosp Clin Barcelona,IDIBAPS,BCLC Grp, Barcelona, Spain
[3] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Barcelona, Spain
[4] Pontevedra Univ Hosp Complex, Galicia Sur Hlth Res Inst IISGS, Gastroenterol & Hepatol Dept, Pontevedra, Spain