[1] Univ Barcelona, Hosp Clin, Dept Med, IDIBAPS,Liver Unit,IMD, E-08036 Barcelona, Spain
[2] Univ Barcelona, Hosp Clin, Dept Med, IDIBAPS,Endoscopy Unit, E-08036 Barcelona, Spain
[3] Univ Alcala de Henares, Hosp Ramon y Cajal, Dept Gastroenterol, Madrid, Spain
[4] Univ Alcala de Henares, Clin Puerta Hierro, Dept Gastroenterol, Madrid, Spain
[5] Hosp Badalona Germans Trias & Pujol, Dept Gastroenterol, Badalona, Spain
[6] Univ Complutense Madrid, Hosp Gen Gregorio Maranon, Dept Gastroenterol, Madrid, Spain
[7] CHU Angers, Angers, France
[8] CHU Jean Verdier, Intens Care Unit, Bondy, France
[9] CHU Pitie Salpetriere, Paris, France
[10] CHU Purpan, Toulouse, France