[1] Hosp Univ Vall dHebron, Liver Unit, Internal Med Dept, Barcelona, Spain
[2] Univ Autonoma Barcelona, Barcelona, Spain
[3] Vall dHebron & Univ Autonoma Barcelona, Hepatobiliary Surg Dept, Hosp Univ, Barcelona, Spain
[4] Hosp Univ Vall dHebron, Abdominal Imaging Unit, Radiol Dept, Barcelona, Spain
[5] Inst Salud Carlos III, Ctr Invest Biomed Red Enfermedades Hepat & Digest, Madrid, Spain