[1] CHU Liege Sart Tilman, Dept Gastroenterol, Liege, Belgium
[2] Hosp St Antoine, Pathol, Paris, France
[3] CHU Lille, Gastroenterol, Lille, France
[4] CHU Bordeaux, Gastroenterol, Bordeaux, France
[5] Inst MICI, Gastroenterol, Neuilly Sur Seine, France
[6] CHU Amiens, Gastroenterol, Amiens, France
[7] Hosp St Louis, Gastroenterol, Paris, France
[8] Kremelin Bicetre, Gastroenterol, Paris, France
[9] CHU Montpellier, Gatroenterol, Montpellier, France
[10] UZ Ghent, Gastroenterol, Ghent, Belgium
[11] Hosp St Antoine, Gastroenterol, Paris, France
[12] CHU Nantes, Gastroenterol, Nantes, France
[13] CHU Lyon, Gastroenterol, Lyon, France
[14] Clin IAlma, Gastroenterol, Paris, France
[15] CHU Liege Sart Tilman, Gastroenterol, Liege, Belgium