[1] Clin Univ Bruxelles, Hop Erasme, Dept Gastroenterol Hepatopancreatol & Digest Onco, Brussels, Belgium
[2] Univ Libre Bruxelles, Sch Publ Hlth, Lab Expt Gastroenterol, Brussels, Belgium
[3] Univ Libre Bruxelles, Sch Publ Hlth, Res Ctr Epidemiol Biostat & Clin Res, Brussels, Belgium
[4] CHU Vaudois, Div Gastroenterol & Hepatol, CH-1011 Lausanne, Switzerland
[5] Hop Jolimont, Serv Hepatogastroenterol, Haine St Paul, Belgium
[6] Ctr Hosp Reg & Univ Lille, Hop Huriez, Serv Malad Appareil Digestif, Pl Verdun, F-59037 Lille, France
[7] Hop St Joseph, Dept Gastroenterol, Liege, Belgium
[8] Hop Ambroise Pare, Dept Gastroenterol, Mons, Belgium
[9] Ctr Hositalier Univ Caen, Serv Hepatogastroenterol, Caen, France
[10] Katholieke Univ Leuven, Univ Hosp Leuven, Dept Liver & Biliopancreat Disorders, Leuven, Belgium
[11] Acad Ziekenhuis St Jan, Dept Gastroenterol & Hepatol, Brugge, Belgium
[12] Ctr Hositalier Univ Brugmann, Dept Hepatogastroenterol, Brussels, Belgium
[13] Ctr Hositalier Univ St Pierre, Dept Hepatogastroenterol, Brussels, Belgium
[14] Catholic Univ Louvain, Clin Univ St Luc, Dept Gastroenterol, B-1200 Brussels, Belgium
[15] Hop St Pierre, Dept Gastroenterol, Ottignies, Belgium
[16] Hop St Joseph, Dept Gastroenterol, Warquignies, Belgium
[17] Univ Liege, Ctr Hositalier Univ Sart Tilman, Dept Hepatogastroenterol, Liege, Belgium
[18] Ghent Univ Hosp, Dept Hepatogastroenterol, Ghent, Belgium
[19] Hop Iris Sud, Dept Gastroenterol, Brussels, Belgium
[20] Univ Antwerp Hosp, Dept Gastroenterol & Hepatol, Edegem, Belgium
[21] Ctr Hosp Interreg Edith Cavell, Dept Gastroenterol, Brussels, Belgium
[22] CHR La Citadelle, Dept Gastroenterol, Liege, Belgium
[23] Univ Ziekenhuis Brussel, Dept Hepatogastroenterol, Brussels, Belgium