[1] Univ Autonoma Barcelona, Hosp Gen Valle Hebron, Fdn Inst Catala Farmacol, E-08193 Barcelona, Spain
[2] Univ Autonoma Barcelona, Hosp Gen Valle Hebron, Liver Unit, E-08193 Barcelona, Spain
[3] Hosp Princeps Espanya Bellvitge, Serv Gastroenterol, Lhospitalet De Llobregat, Spain
[4] Hosp Clin Barcelona, IDIBAPS, Liver Unit, E-08036 Barcelona, Spain
[5] Hosp Santa Creu & Sant Pau, Gastroenterol Serv, E-08025 Barcelona, Spain
[6] Hosp Mutuna, Gastroenterol Serv, Terrassa, Spain
[7] Univ Autonoma Barcelona, Hosp del Mar, Liver Sect, E-08193 Barcelona, Spain
[8] Gen Hosp, Gastroenterol Serv, Granollers, Spain