[1] Univ Colorado Denver, Dept Med, Div Renal Dis & Hypertens, Aurora, CO USA
[2] Univ Barcelona, Hosp Clin Barcelona, Liver Unit, Barcelona, Catalonia, Spain
[3] Ctr Invest Biomed Red Enfermedades Hepat & Digest, Inst Invest Biomed August Pi & Sunyer, Barcelona, Catalonia, Spain