[1] Univ Med Ctr, Erasmus MC, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[2] Univ Med Ctr, Erasmus MC, Dept Publ Hlth, Rotterdam, Netherlands
[3] Univ Med Ctr, Erasmus MC, Dept Pathol, Rotterdam, Netherlands
[4] Ijsselland Hosp, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[5] PATHAN, Dept Pathol, Rotterdam, Netherlands
[6] Ikazia Hosp, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[7] Med Ctr Rijnmond Zuid, Dept Pathol, Rotterdam, Netherlands
[8] Albert Schweitzer Hosp, Dept Gastroenterol & Hepatol, Dordrecht, Netherlands
[9] Pathol Lab, Dept Pathol, Dordrecht, Netherlands
[10] Free Univ Amsterdam, Med Ctr, Dept Gastroenterol & Hepatol, Amsterdam, Netherlands
[11] Free Univ Amsterdam, Med Ctr, Dept Pathol, Amsterdam, Netherlands
[12] Deventer Hosp, Dept Gastroenterol & Hepatol, Deventer, Netherlands
[13] Deventer Hosp, Dept Pathol, Deventer, Netherlands
[14] Med Spectrum Twente, Dept Gastroenterol & Hepatol, Enschede, Netherlands
[15] Lab Pathol Oost Nederland, Dept Pathol, Enschede, Netherlands
[16] Rijnstate Hosp, Dept Gastroenterol & Hepatol, Arnhem, Netherlands
[17] Rijnstate Hosp, Dept Pathol, Arnhem, Netherlands
[18] Sint Franciscus Hosp, Dept Gastroenterol & Hepatol, Rotterdam, Netherlands
[19] Univ Med Ctr Utrecht, Dept Pathol, Utrecht, Netherlands