[1] Hosp Univ Vall dHebron, Dept Internal Med, Liver Unit, Barcelona, Spain
[2] Univ Barcelona, Hosp Clin Barcelona, Liver Unit, Idibaps, Barcelona, Spain
[3] Inst Salud Carlos III, CIBERehd, Madrid, Spain
[4] Hosp Univ Cent Asturias, Div Gastroenterol & Hepatol, Liver Unit, Oviedo, Spain
[5] Hosp Univ La Paz, Hepatol Unit, Idipaz, Madrid, Spain
[6] CIBER, Madrid, Spain