[1] Univ Med Ctr Utrecht, Dept Gastroenterol & Hepatol, Utrecht, Netherlands
[2] Leiden Univ, Med Ctr, Dept Gastroenterol & Hepatol, Leiden, Netherlands
[3] Univ Med Ctr Utrecht, Julius Ctr Hlth Sci & Primary Care, Utrecht, Netherlands
[4] Vrije Univ Amsterdam Med Ctr, Dept Gastroenterol & Hepatol, Amsterdam, Netherlands
[5] Radboud Univ Nijmegen, Med Ctr, Dept Gastroenterol & Hepatol, NL-6525 ED Nijmegen, Netherlands
[6] Erasmus Univ, Dept Gastroenterol & Hepatol, Med Ctr, Rotterdam, Netherlands
[7] Atrium Orbis Med Ctr, Dept Gastroenterol & Hepatol, Sittard, Netherlands
[8] Diaconessenhuis, Dept Gastroenterol & Hepatol, Leiden, Netherlands
[9] Onze Lieve Vrouw Hosp, Dept Gastroenterol & Hepatol, Amsterdam, Netherlands
[10] Slingeland Hosp, Dept Gastroenterol & Hepatol, Doetinchem, Netherlands
[11] St Antonius Hosp, Dept Gastroenterol & Hepatol, Nieuwegein, Netherlands
[12] Univ Amsterdam, Acad Med Ctr, Dept Gastroenterol & Hepatol, Meibergdreef 9, NL-1105 AZ Amsterdam, Netherlands
[13] Reinier de Graaf Grp, Dept Gastroenterol & Hepatol, Delft, Netherlands
[14] Meander Med Ctr, Dept Gastroenterol & Hepatol, Amersfoort, Netherlands
[15] Maastricht Univ, Med Ctr, Dept Gastroenterol & Hepatol, NL-6200 MD Maastricht, Netherlands
[16] Univ Utrecht, Inst Risk Assessment Sci, Utrecht, Netherlands
[17] Univ Groningen, Univ Med Ctr Groningen, Dept Gastroenterol & Hepatol, Groningen, Netherlands