[1] Necker Cochin Hosp, AP HP, Paris, France
[2] Nancy Univ Hosp Ctr CHU, Vandoeuvre Les Nancy, France
[3] Hospices Civils Strasbourg, Strasbourg, France
[4] Univ Hosp, Div Gastroenterol & Hepatol, Grenoble, France
[5] Univ Paris 12, Hop Henri Mondor, AP HP, F-94010 Creteil, France
[6] St Joseph Hosp, Marseille, France
[7] Hop Beaujon, Clichy, France
[8] Hop La Pitie Salpetriere, Clichy, France
[9] Hop Purpan, Toulouse, France
[10] Gatroenterol & Hepatol Limoges Hosp, Limoges, France
[11] Univ Hosp, Div Gastroenterol & Hepatol, Nice, France
[12] Ctr Hosp Reg & Univ Lille, Hop Huriez, F-59037 Lille, France
[13] Hop Bicetre, Paris, France
[14] Jean Verdier Hosp, Paris, France
[15] Besancon Hosp, Besancon, France