[1] Hosp Univ La Fe, Dept Hepatogastroenterol, Valencia, Spain
[2] Hosp Univ La Fe, Dept Surg, Valencia, Spain
[3] CIBEREHD, Valencia, Spain
[4] Med Univ Valencia, Valencia, Spain
[5] Fundacao Fac Fed Ciencias Med, Postgrad Course Hepatol, Porto Alegre, RS, Brazil